Isotopic memory of atmospheric persistence
Chemical analysis of some of the world's oldest rocks, by an international team led by McGill University researchers, has provided the earliest record yet of Earth's atmosphere. The results show that the ...
Features of language show a strong link to the geographic dispersal of human populations
Geneticists have famously tracked small differences in the human genetic code to trace the evolution and spread of humans out of Africa. Languages can change more quickly than genes and are not necessarily ...
Researchers sequence pepper genome, find jumping genes enhanced diversity
The power of packaging in consumer choices
When it comes to deciding what food to eat, one might expect that people's choices will be driven by past experience and personal preference, but how does the general appearance of the package impact buying ...
Ancient tooth offers clues to how and when monkeys left Africa
(Phys.org) —The monkey roadmap out of Africa has a new timetable and route, thanks to a tiny tooth plucked from the Arabian desert.
South American lichen found to have 126 different species of fungi
Researchers find greenhouse gas emissions from shale gas similar to that for conventional natural gas
Fossil palm beetles 'hindcast' 50-million-year-old winters
(Phys.org) —Fifty-million-year-old fossil beetles that fed only on palm seeds are giving Simon Fraser University biologists Bruce Archibald and Rolf Mathewes new information about ancient climates.
Physicist develops stochastic model to describe interbeat variation patterns between musicians
Forests lose essential nitrogen in surprising way, find scientists
Even during summer dry spells, some patches of soil in forested watersheds remain waterlogged. Researchers have discovered that these patches act as hot spots of microbial activity that remove nitrogen from ...
Study shows songbird prefers singing in harmonic series similar to humans
Ethnic diversity can deflate stock market bubbles, study finds
Stock market bubbles have led to economic catastrophes from the Great Depression through the dot-com boom of the 1990s and up to the recent housing financial crisis. Although these episodes cause widespread ...
Sea surface is a sink for nitrogen oxides at night
The surface of the sea takes up nitrogen oxides that build up in polluted air at night, new measurements on the coast of southern California have shown. The ocean removes about 15 percent of these chemicals ...