Whole-genome sequencing of Africa's hunter-gatherers elucidates human variation and ancient interbreeding
Human diversity in Africa is greater than any place else on Earth. Differing food sources, geographies, diseases and climates offered many targets for natural selection to exert powerful forces on Africans ...
Drought, culling hits Australia's feral camels
Australia's feral camel population has dropped by an estimated 250,000 in recent years, but the arid outback is still home to the world's largest wild herd, officials said Tuesday.
Dominant deer hinds choose the best food
Deer hinds (Cervus elaphus) have a hierarchical organisation system: the oldest and largest hold the most dominant positions. Therefore, a nutrient rich diet benefits the more dominant hinds, who have prefer ...
Study: Wolverines need refrigerators
Wolverines live in harsh conditions; they range over large areas of cold mountainous low-productivity habitat with persistent snow. The paper suggests wolverines take advantage of the crevices and boulders ...
Computing advances vital to sustainability efforts; new report recommends problem-focused, iterative approach to researc
Innovation in computing will be essential to finding real-world solutions to sustainability challenges in such areas as electricity production and delivery, global food production, and climate change. The immense scale, numerous ...
Culling vampire bats is for suckers, says study
Killing vampire bats in a bid to curtail the spread of rabies to humans and livestock may make the problem worse, scientists said Wednesday.
I'm bright red and I taste foul -- the message behind color and the ladybird's spots
(Phys.org) -- To humans they might be pretty and small, the inspiration for nursery rhymes and children's clothing, but the redder the lady bird, the worse it tastes to the bird which tries to eat it, an international ...
Genes underlying the key domestication process in sorghum and other cereals
A study by a team of university and government scientists led by a Kansas State University researcher, indicates that genes responsible for seed shattering -- the process by which grasses disseminate their seeds -- were under ...
Honeybees waggle found to be disturbed by gravity
Some corals like it hot: Heat stress may help coral reefs survive climate change
A team of international scientists working in the central Pacific have discovered that coral which has survived heat stress in the past is more likely to survive it in the future.
Warmer summers could shrink trout populations
(PhysOrg.com) -- The New York state fish could be jeopardy due to climate change, warn Cornell scientists.
Isle Royale wolves may go extinct
Isle Royale National Park's gray wolves, one of the world's most closely monitored predator populations, are at their lowest ebb in more than a half-century and could die out within a few years, scientists said Friday.
Multiple species of seacows once coexisted: study
Sirenians, or seacows, are a group of marine mammals that include manatees and dugongs; today, only one species of seacow is found in each world region. Smithsonian scientists have discovered that this was ...
Is seaweed the future of biofuel?
As scientists continue the hunt for energy sources that are safer, cleaner alternatives to fossil fuel, an ever-increasing amount of valuable farmland is being used to produce bioethanol, a source of transportation fuel. ...