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2 articles from ScienceNOW
Monkey rock bashing resembles tools made by early human ancestors
Hefting a potato-size rock, wild long-tailed macaques (
Macaca fascicularis
) in Thailand smash oil palm nuts on stone anvils. As they pound away, sharp flakes sometimes fly off from their hammer stones—
flakes that are “almost indistinguishable”
from stone tools made by
early human relatives more than 3 million years ago
, according...
One of North America’s most dangerous invasive species is hitchhiking on fish
Zebra mussels (
Dreissena polymorpha
) are one of the most catastrophic aquatic invasive species in North America. Native to Russia and Ukraine, these fingernail-size mollusks have spread around the world, often carried in ballast water—used to stabilize boats—as larvae, where they’ve caused billions of dollars of damage to fisheries, water treatment facilities, and...