Most trees in the Amazon (90%), the Atlantic Forest (90%), or the Cerrado, the Brazilian savanna-like biome (60%), depend on animals to disperse their seeds, ensure their reproduction, and keep the forest standing. Birds, ...
An international team led by scientists from the Canadian Museum of Nature and the University of Chicago reconstructed the brain, heart, and fins of an extinct fish called Norselaspis glacialis from a tiny fossil the size ...
A previously unexploited source of information is now throwing new light on Earth's climate during the age of dinosaurs. Fossilized dinosaur teeth show that concentrations of carbon dioxide in the atmosphere during the Mesozoic ...
An international study led by the Institute of Environmental Science and Technology at the Universitat Autònoma de Barcelona (ICTA-UAB), Spain, has investigated how marine ecosystems responded to past episodes of ocean deoxygenation. ...
Whales of all shapes and sizes play a significant role in the health of marine ecosystems. About 50% of the air humans breathe is produced by the ocean, thanks to phytoplankton and whale waste. The Whale Poop Loop is the ...
The Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) participated in a study, published in the Journal of Human Evolution, on human teeth unearthed at the Hualongdong site in Anhui Province, China. The ...
The coelacanth is known as a "living fossil" because its anatomy has changed little in the last 65 million years. Despite being one of the most studied fish in history, it continues to reveal new information that could transform ...
As Australia and the world grapple with global warming and increased bushfire risks, University of South Australia ecologists are turning their attention to the impact of prescribed burning on native animals.
Across North America, dichlorodiphenyltrichloroethane (DDT) and other pesticides had a significant impact on bats from the 1940s through the '60s. Since the ban on DDT in 1972, bat populations had been slowly recovering, ...
The La Venta fossil site in Colombia is home to a rich fossil record, yielding a particularly diverse set of vertebrate fossil assemblages. The giant terror bird (phorusrhacid) and caiman—a large crocodile-like reptile—were ...
