The bloodsuckers lose their appetite for attractive scents when they associate those aromas with a likelihood of being swatted. Karen Hopkin reports.
The bombardier beetle can spray its hot brew of toxic chemicals even after bring swallowed, to force a predator into vomiting it back out.
The samples represent the oldest vino found in Europe or the Mediterranean region
Damselfish had trouble learning to avoid predators, when that lesson was accompanied by a soundtrack of buzzing boat engines. Christopher Intagliata reports.
Some researchers say statistical prediction of the ancestral blossom yielded an unlikely structure
For blue tits, timing can be a factor in whether they remain together or part ways
Orcas can imitate calls from other whales and even human speech—suggesting they can transmit cultural practices, such as unique dialects. Christopher Intagliata reports.
During feel-good holiday periods like Christmas and Eid-al-Fitr, romance strikes—leading to a boom in births nine months later. Karen Hopkin reports.
Darwin thought evolution was too slow to change the environment on observable timescales—ecologists are discovering that he was wrong
Areas of Kenya without large wildlife saw tick populations rise as much as 370 percent—meaning more danger to humans. Jason G. Goldman reports.
The tools could suggest that Homo sapiens reached South Asia far earlier than previously thought, but critics disagree
Noncoding regions of our genome may be key to how our brains develop
Kevin Esvelt has a concrete plan to eradicate some of planet’s most infectious diseases. All that stands in his way is us.
The jaw fragment suggests our species began traveling abroad 50,000 years earlier than previously thought
The starfish relatives use light-sensitive cells throughout their bodies to sense their surroundings
A study that compares us with other primates finds a brain region linked to social behavior that may offer a biological explanation for why humans, not chimps, produced Shakespeare, Gandhi and Einstein
The geese are wintering farther and farther north, in urban areas like Chicago—which may help them avoid hunters. Emily Schwing reports.
Climate change led to more female eggs, so scientists are trying to ensure males are made in the shade
A new fossil find reveals that the sucking tongue of butterflies—or proboscis—appears to have evolved before the emergence of flowers. Christopher Intagliata reports.