News
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How Ötzi the Iceman really got his tattoos
Modern tattooing experiments challenge a popular idea about how the roughly 5,200-year-old mummified man got marked with dark lines.
By Bruce Bower -
ChemistryProtein whisperer Oluwatoyin Asojo fights neglected diseases
Oluwatoyin Asojo’s work on hookworm protein structures have contributed to a vaccine being tested in people.
By Carmen Drahl -
CosmologyThe largest 3-D map of the universe reveals hints of dark energy’s secrets
A year of data from DESI, the Dark Energy Spectroscopic Instrument, suggests that, contrary to expectations, dark energy might vary over time.
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PhysicsPhysicists take a major step toward making a nuclear clock
By tweaking the energy of a thorium nucleus with a laser, scientists demonstrated a key step to building clocks based on the physics of atomic nuclei.