Science

Ellen Bernstein, a river guide turned rabbi who blazed a spiritual trail in the environmental movement by undergirding it with the Hebrew Bible’s veneration of nature, died on Feb. 27 in Philadelphia....

Estella Bergere Leopold, a botanist who examined ancient pollen to illuminate the effects of climate change — and who, as the last child of the pioneering environmentalist Aldo Leopold, helped preserve her...

The most prized pigment of antiquity was processed not from a tangle of root or the frothy extract of a weed, but by drawing out a slimy secretion from the mucus glands...

What is ibogaine?A naturally occurring psychoactive compound, ibogaine comes from the iboga tree, a rainforest shrub native to Central Africa. The drug comes from the bark of the root, which is crushed...

Mary Bartlett Bunge, who with her husband, Richard, studied how the body responds to spinal cord injuries and continued their work after his death in 1996, ultimately discovering a promising treatment to...

The 5-year-old looked nervously at her older brothers, scanning their faces for any sign of distress as needles were swiftly stuck into their upper arms, the syringe plungers pushed in and the...

ORIGINSDNA has shown that the extinct humans thrived around the world, from chilly Siberia to high-altitude Tibet — perhaps even in the Pacific islands.March 2, 2024Neanderthals may have vanished 40,000 years ago,...

The House this week overwhelmingly passed legislation meant to speed up the development of a new generation of nuclear power plants, the latest sign that a once-contentious source of energy is now...

Americans with Covid or other respiratory infections need not isolate for five days before returning to work or school, the Centers for Disease Control and Prevention said on Friday, a striking sign...

Two good friends, Rebecca Grekin and Yannai Kashtan, met up one crisp December morning at Stanford University, where they both study and teach. The campus was deserted for the holidays, an emptiness...