Nearly one third of sharks studied near the Bahamas’ Eleuthera Island were found to have caffeine, painkillers and other drugs in their bloodstreams.
Seemingly random charging of identical materials depends on the carbonaceous molecules stuck to their surfaces
The Day After Tomorrow, Snowpiercer, Snowball Earth: Such end-of-days visions of a frozen Earth are fantastical … but can contain a snowflake of truth.
Data suggest people lived at Chile’s Monte Verde site thousands of years later than thought, challenging key “pre-Clovis” evidence. Not all agree.
Climate change is affecting microbes, and that has implications for all life on Earth.
Magnetic crystals provide the earliest evidence yet of the plate tectonics that likely made Earth habitable, pushing its start back by 140 million years.