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The search was executed to find both database records and web content.News Headlines
#1325912022-01-18
Why did ocean productivity decline abruptly 4.6 million years ago?
By drilling deep down into sediments on the ocean floor researchers can travel back in time. A research team led from Uppsala University now presents new clues as to when and why a period often referred to as the 'biogenic bloom' came to an abrupt end. Changes in the shape of the Earth's orbit a ...
News Headlines
#1277712021-03-22
Why day and night aren't equal length on an equinox
Winter in the northern hemisphere and summer in the southern hemisphere are both coming to an end. That means the days and nights are becoming roughly equal in length, and the path the sun traces across the sky is changing.
News Headlines
#1195932019-01-25
Why biodiversity among marine mammals and birds generally rises in cold, temperate waters
In ecology, the diversity of species generally increases as you move toward the warmer latitudes of the tropics.A new study explores a curious exception to this trend, examining why biodiversity rises in cold, temperate waters among warm-blooded marine predators such as whales, seals and penguins.
News Headlines
#1256392020-11-10
Why bats fly into walls
Bats excel in acoustic perception and detect objects as tiny as mosquitoes using sound waves. Echolocation permits them to calculate the three-dimensional location of both small and large objects, perceiving their shape, size and texture. To this end, a bat's brain processes acoustic dimensions ...
News Headlines
#1257172020-11-16
Why autumn is such a dangerous time for hedgehog mothers – and how to help them
After months of hard work raising hoglets by themselves, autumn finds female hedgehogs in a rush to fatten up before hibernation. It's a busy time of year which brings them closer to roads and the risk of being squashed. During the rest of the year, male hedgehogs are more likely to die on roads ...
News Headlines
#1325922022-01-18
Why are zebra mussels so sticky? Study may lead to new industrial coatings, medical adhesives
A water tank full of coin-sized invertebrates may not be the first thing you'd expect to see in a materials science and engineering research lab.
News Headlines
#1224922019-10-02
Why are there no animals with three legs?
If "Why?" is the first question in science, "Why not?" must be a close second. Sometimes it's worth thinking about why something does not exist.
News Headlines
#1297922021-07-29
Why animals recognise numbers but only humans can do math
Counting feels utterly effortless to adults, who are unlikely to even remember when or how they picked up this useful, apparently automatic skill. Yet when you think about it, counting is a remarkable invention. It helped early humans to trade, apportion food and organize fledgling civilisations ...
News Headlines
#1230612019-11-19
Why We Need To Consider The Human Toll Of Conserving Half The Earth
Humanity has pushed Earth to the brink with more than a million species threatened with extinction. There are a number of ideas for how to stop the collapse of nature, but among the most radical is the idea of conserving half the planet.
News Headlines
#1239862020-01-28
Why Venice is actually a textbook case for flood prevention
When the worst floods since 1966 submerged the city of Venice in November 2019, the blame was laid on its incomplete mobile flood gates. They have been under construction since 2003 but were not ready in time to save the Italian city.
News Headlines
#1333892022-02-21
Why Storm Eunice was so severe, and will violent wind storms become more common?
The UK Met Office has issued two red weather warnings in as many months for strong winds. These are the highest threat levels meteorologists can announce, and are the first wind-only red warnings to be issued since 2016's Storm Gertrude.
News Headlines
#1283312021-04-28
Why Earth's Oceans Reorganizing Is a Concern
Scientists are trying to piece together how changes in the eddies impact the climate. Meteorologist Ari Sarsalari explains.
News Headlines
#1256402020-11-10
Why COVID-era campaigns against wildmeat consumption aren't working
COVID-19 probably originated as a virus that jumped from wild animals to humans. So some conservation organisations have used the pandemic to campaign against the hunting and consumption of wildlife—and so to prevent future zoonotic disease transmission.
News Headlines
#1286922021-05-17
Why Aren’t There Mammals in Super Vivid Colours Like There Are Birds and Bugs?
Plumage. An incredible world, for an incredible phenomenon. Say it with me now: plumage. Picture the colours, their variety and richness. Picture, while you’re at it, some other stuff relevant to this week’s Giz Asks, such as bugs that look shaped from stained glass and sea creatures that look l ...
News Headlines
#1330052022-02-08
Who's responsible for roadside rubbish?
New research reveals that items in litter typically originate less than two miles from where they're found—and unless humans remove them, most of these items will never leave the environment.
News Headlines
#1253302020-04-29
White-faced capuchin monkeys come down from the trees on Panama's Coiba Island
Crossing a 23-kilometer stretch of ocean from mainland Panama to Coiba, the largest offshore island in the Eastern Pacific, a group of intrepid biologists hoped to find species never reported there before. But in addition to discovering new species, the 2015 Coiba BioBlitz crew was surprised to ...
News Headlines
#1347132022-05-25
White roofs and rooftop lawns can mitigate urban heat island effect, researchers say
Alleviating the urban heat-island effect through regulating urban landscape can improve human thermal comfort and living environment in urban residential areas. However, most previous studies focused on the single environmental factor of temperature, ignoring the actual human feeling of thermal ...
News Headlines
#1303902021-09-14
Which species will be our urban neighbours?
All over the world, people are moving out of rural areas, and cities are growing. What will be the impact on resident species that live in these cities? Which will be our new plant and animal neighbors, which will have to leave town, and what does that mean for us humans?
News Headlines
#1257552020-11-18
Which particulate air pollution poses the greatest health risk?
Researchers at the Paul Scherrer Institute (PSI), together with colleagues from several other European institutions, have investigated whether particulate matter from certain sources can be especially harmful to human health.
News Headlines
#1348512022-06-02
Which forces control the elevation of mountains?
Scientists have come up with a new classification scheme for mountain belts that uses just a single number to describe whether the elevation of the mountain belt is controlled mainly by weathering and erosion or by properties of the Earth's crust, i.e., the lithospheric strength: the "Beaumont n ...
News Headlines
#1247552020-03-18
Where'd you get those genes? Individual growth can vary wildly when populations interbreed
Scientists at Scripps Institution of Oceanography at the University of California San Diego have discovered why some hybrids between populations of the same species don't develop as well as others. The answers lie in their genes.
News Headlines
#1255222020-11-03
Where the wind blows: New study shows powerful forces sculpting Argentina's landscape
A new study from U of T Mississauga earth science researchers reveals surprising new information about how powerful winds shape the landscape in a remote part of the Andes mountain range.
News Headlines
#1265812021-01-12
Where does untreated wastewater go in developing countries?
To limit the spread of disease and reduce environmental pollution, human waste (excreta) needs to be safely contained and effectively treated. Yet 4.2 billion people, more than half of the world's population, lack access to safe sanitation.
News Headlines
#1204442019-03-21
Where do microplastics go in the oceans?
Where do tiny bits of plastic go when they are flushed out to sea?Previous research finds most plastic ends up in the subtropical ocean gyres circling the mid-latitudes of the Atlantic and Pacific oceans. These rotating currents encircle large areas sometimes called "garbage patches" because the ...
News Headlines
#1270702021-02-15
Where did brains come from?
Charles Darwin wrote a book called "The Power of Movement in Plants" with his son Francis in which they first identified the root apex as the central command center of plants. In contrast to our own orientation with respect to Earth's gravitational field, Darwin proposed that the root apices rep ...
News Headlines
#1341332022-04-20
Where Have All The Insects Gone?
Climate change and intensive agricultural land use have already been responsible for a 49% reduction in the number of insects in the most impacted parts of the world, finds a new study by UCL researchers.
News Headlines
#1323212022-01-05
Where Giant Honey Bees Rest Their Wings During Annual Migration
It literally took a lot of sweat and some worrying about a possible snake in the grass, but it paid off for a scientist from Wyoming, whose research beefs up evidence that conservation of migratory insect pollinators hinges as much on the ecological integrity of pit stops during their journey as ...
News Headlines
#1249702020-03-31
When warblers warn of cowbirds, blackbirds get the message
This is the story of three bird species and how they interact. The brown-headed cowbird plays the role of outlaw: It lays its eggs in other birds' nests and lets them raise its young—often at the expense of the host's nestlings. To combat this threat, yellow warblers have developed a special "se ...
News Headlines
#1327242022-01-25
When two ecosystems collided, ichthyosaurs re-evolved the ability to consume large prey
The land contact between North and South America has long been a fountain of research. The Isthmus of Panama—the narrow strip of land between the two continents—fully emerged about 3.5 million years ago.
News Headlines
#1266962021-01-26
When the world of dinosaurs was rocked, so was the climate
As tropical forests are cleared for agriculture and coral reefs overheat from rising temperatures, thousands of species vanish into oblivion, unable to survive the rapid climatic and environmental changes of the Anthropocene—the age of the sixth mass extinction.
News Headlines
#1235972020-01-07
When the past catches up on you: Land use impacts biodiversity in the long term
Ghosts of land use past haunt current biodiversity in farmland ecosystems, according to a new study led by a researcher from the German Senckenberg Biodiversity and Climate Research Centre.
News Headlines
#1206742019-04-08
When the extreme becomes the norm for Arctic animals
Think of reindeer on Norway's Svalbard archipelago as the arctic equivalent of sloths. It's not a perfect analogy, except that like tropical sloths, Svalbard reindeer move as little as possible to conserve energy.
News Headlines
#1323412022-01-06
When researchers don't have the proteins they need, they can get AI to 'hallucinate' new structures
All living organisms use proteins, which encompass a vast number of complex molecules. They perform a wide array of functions, from allowing plants to use solar energy for oxygen production to helping your immune system fight against pathogens to letting your muscles perform physical work. Many ...
News Headlines
#1232012019-12-02
When reefs die, parrotfish thrive
In contrast to most other species, reef-dwelling parrotfish populations boom in the wake of severe coral bleaching.The surprise finding came when researchers led by Perth-based Dr. Brett Taylor of the Australian Institute of Marine Science (AIMS) looked at fish populations in severely bleached a ...
News Headlines
#1267042021-01-26
When push comes to shove, what is a fight?
Biologists often study animal sociality by collecting observations about several types of behavioral interactions. These interactions can be things like severe fights, minor fights, cooperative food sharing, or grooming each other.
News Headlines
#1300682021-08-19
When hotter and drier means more, but eventually fewer, wildfires
There is abundant evidence that changes in the climate, both increased temperature and reduced precipitation, are making wildfires worse in the western U.S. The relationship between climate and wildfire seems obvious and universal: hotter + drier = more and worse wildfire.
News Headlines
#1306982021-10-12
When global warming stops, seas will still rise: study
Even if humanity beats the odds and caps global warming at 1.5 degrees Celsius above preindustrial levels, seas will rise for centuries to come and swamp cities currently home to half-a-billion people, researchers warned Tuesday.
News Headlines
#1223392019-09-24
When disease threatens animals, predators might provide the remedy
When disease shows up in wild animal populations, there aren't pharmacies or vets to turn to. The best solution might actually be the one thing they spend their lives avoiding—predators.
News Headlines
#1273752021-02-26
When devastation strikes the oceans, sharks can hold the key to recovery
A world without sharks is a world less resilient to extreme climate events, scientists say.Predators, including some sharks, are known to be critical for maintaining stability and biodiversity in the world's oceans. But according to a new study, they are also critical in helping ecosystems recov ...
News Headlines
#1202502019-03-07
When coral reefs change, researchers and local fishing communities see different results
Results of a new study looking at coral reef disturbances, fish abundance and coastal fishers' catches suggest that ecologists and community anglers may perceive environmental disruptions in very different ways.
News Headlines
#1341582022-04-25
When anchovies mate, they stir the ocean and spur a healthy ecosystem, study finds
A new study led by Southampton University researchers has found that when some species of fish get frisky, their activity causes the Earth's waters to move -- as much as a major storm does.
News Headlines
#1297202021-07-27
When a heat wave comes, this scientist takes a shellfish's perspective
Stepping into the gap between the rocks, it's easy to understand what Brian Helmuth is talking about. The summer sun beats down, and the rocky shore surrounding Northeastern's Marine Science Center is toasty. But in this crevice, the marine biologist is partially shaded from the midday rays, and ...
News Headlines
#1256202020-11-09
What's the science behind mink and coronavirus?
Mutations in coronavirus have triggered culls of all 17 million farmed mink in Denmark. Part of the country has been put under lockdown after Danish authorities found genetic changes they say might undermine the effectiveness of future Covid-19 vaccines.
News Headlines
#1339502022-04-06
What's in store for Europe's tree species?
Scientists supported by the EU-funded FORGENIUS project have presented a new data set showing current and potential future distributions of European tree species. Called EU-Trees4F, the data set provides a detailed model on how the ranges of 67 tree species will change between now and 2095.
News Headlines
#1208062019-04-17
What's happened to all the plastic rubbish in the Indian Ocean?
Researchers at The University of Western Australia have found that although the Indian Ocean is the world's biggest dumping ground for plastic waste, nobody seems to know where it goes.
News Headlines
#1341132022-04-18
What's behind South Africa's flood disaster
South Africa, the continent's most industrialised country, has largely escaped the tropical cyclones that regularly hit its neighbours.
News Headlines
#1288842021-05-27
What would happen to the climate if we reforested the entire tropics?
What would happen if every single patch of farmland in the tropics, from Brazil through Congo, India and Indonesia, was abandoned overnight and left to turn back into forests? That’s the question we investigated in our new research. Trees and forests have become increasingly important in plans t ...
News Headlines
#1243652020-02-25
What will it cost to save the earth's oceans?
In 2015, 193 countries agreed on 17 global objectives for ending poverty and protecting the environment by 2030. These Sustainable Development Goals (SDGs) included SDG 14, to “conserve and sustainably use the oceans, seas and marine resources for sustainable development.”
News Headlines
#1260282020-12-07
What will 2021 bring in the world of conservation?
A team of scientists and researchers from around the world come up with 15 trends with potentially large impacts on biodiversity conservation, and release their findings in scientific journal 'Trends in Ecology & Evolution'.
News Headlines
#1239422020-01-24
What we learn from a fish that can change sex in just 10 days
The bluehead wrasse is a fish that lives in small social groups in coral reefs in the Caribbean. Only the male has a blue head—signaling his social dominance over a harem of yellow-striped females.