Uncategorized

Anthropology

‘Ghost tracks’ suggest people came to the Americas earlier than once thought

Prehistoric people’s footprints show that humans were in North America during the height of the last ice age, researchers say.

Animals

Bloodthirsty vampire bats like to drink with friends over strangers

Cooperation among vampire bats extends beyond the roost. New research suggests that bonded bats often drink blood from animals together.

Genetics

DNA offers a new look at how Polynesia was settled

Modern genetic evidence suggests that statue builders on islands such as Rapa Nui, also known as Easter Island, had a shared ancestry.

Physics

Whirling maple seeds inspired these tiny flying sensors

Scientists envision that small objects modeled after maple tree whirligigs could be used to monitor the environment.