The greening of the Earth is approaching its limit

When plants absorb this gas to grow, they remove it from the atmosphere and it is sequestered in their branches, trunk or roots. An article published today in Science shows that this fertilizing effect of CO2 is decreasing ...

People's motivations bias how they gather information

A new study suggests people stop gathering evidence earlier when the data supports their desired conclusion than when it supports the conclusion they wish was false. Filip Gesiarz, Donal Cahill and Tali Sharot of University ...

Scientists unknowingly tweak experiments

A new study has found some scientists are unknowingly tweaking experiments and analysis methods to increase their chances of getting results that are easily published.

Wikipedia's 'Goan war' unmasked as elaborate hoax

It went undetected for five years on Wikipedia, but now a seemingly meticulous entry about a 17th century conflict between colonial Portugal and India's Maratha empire has been outed as a hoax.

When prejudices become a disadvantage

(PhysOrg.com) -- Swiss researchers from ETH Zurich have been exploring the question of whether prejudices might be rational under certain conditions. Using game theory, they created various scenarios and played them fifteen ...

Hunger may inhibit defensive behavior

Most animals don't spend nearly as much time and energy defending nesting or mating sites against intruders outside the breeding season. That's a given.

Why the science on hazard reduction is contested

When it comes to reducing the extent of bushfires, scientists disagree on the best way to do it. Hazard-reduction burning (also known as "prescribed burning" or "controlled burning") is controversial and, depending on the ...

page 1 from 4