All Stories
- Archaeology
Resurrection of a biblical tree
Date palm pit found at Masada sprouts at age 2,000, becoming the oldest known seed to germinate.
- Earth
Unintended consequences
A full recovery of the ozone hole over Antarctica in the coming years could significantly boost warming of the atmosphere over and around the icy continent.
- Health & Medicine
No babies, no hormones
A radically different form of contraception would prevent pregnancies with small molecules of RNA.
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- Planetary Science
Shake, shake, shake
Instrument succeeds in capturing first soil sample, allowing Mars Phoenix Lander team to begin scientific studies.
- Humans
Wash Your Veggies!
The lesson in all of these food-poisoning outbreaks is that we must not expect a risk-free food-supply chain.
- Astronomy
From planet to plutoid
Pluto and its dwarf planet neighbors are christened plutoids, the International Astronomical Union rules.
- Humans
Teacher Certification Increases, But . . .
Rigorous standards exist for what teachers should know and be able to do. The rub: only about three U.S. teachers out of every five schools have demonstrated they meet those standards.
- Health & Medicine
Virus versus virus
Customized RNA snippets delivered by a harmless virus could someday provide a new way to combat the hepatitis B virus.
- Health & Medicine
Seeing disease’s acidic side
Small tumors can be detected using a new technique that safely, reliably and noninvasively measures tissue chemistry.
- Climate
Goldilocks tree leaves
Leaves mostly keep their cool (or warmth) wherever they live, a finding that might affect reconstructions of past climates.
- Physics
Life’s code in soap
The mathematics of soapy water yields some clues to the origin of the genetic code.
