Science & Tech

Gravitational lenses images Lenticular: Gravitational lenses could help scientists unravel the mystery of dark energy. William Sheu/UCLA

A Lens on the Mysteries of the Universe

By Brad Balukjian

A new gravitational lens sheds light on dark matter.

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Tampons, Toxins, Taboo

By Margie Cullen, M.J. ’22

A Berkeley researcher takes on harmful metals in women's products.

Headshot of Jiménez

The Motion Scientist

By Pat Joseph

Five Questions with Victor Ortega Jiménez, Assistant Professor in Integrative Biology

Profile view of Homo sapiens skull facing a Neanderthal (Homo neanderthalensis) skull discovered in 1909 by Denis Peyroni and Louis Capitan on the Ferrassie site in France. Neanderthals (Homo neanderthalensis) first appeared in Europe around 600,000 years ago, and co-existed with modern humans, who emerged around 200,000 years ago. Neanderthals went extinct, or interbred with modern humans, by around 25,000 years ago. PHILIPPE PSAILA/SCIENCE PHOTO LIBRARY

Neanderthal-Human Overlap

By Katherine Blesie

What 45,000-year-old bones reveal about the earliest history of modern humans

A detailed photograph of an array of neutrino detectors, featuring numerous spherical, gold-colored sensors mounted on metal frames. BERKELEY LAB

Mother of Neutrino Detectors

By Glen Martin

Berkeley physicists build a new device to detect one of the universe’s most elusive particles.

A close-up photograph of a partially melted red, white, and blue popsicle on a concrete surface. LORIE SHAULL/FLICKR

None Like it That Hot

By Glen Martin

In a bit of bad news, it turns out that scientists have been underestimating the heat index, or how hot it feels, amid deadly heatwaves.