6,859 results
6,859 results for: Bears
- Humans
Stone Age seafood fans
Excavations in two Gibraltar caves suggest that Neandertals, like modern humans, regularly visited the Mediterranean shore to complement a land-based diet with seafood
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19915
This article says that the companion star of the pulsar PSR B1516+02B must be “tiny” because it cannot be seen. Isn’t it possible that the companion is made of dark matter? Is there a “wobble” test or other way to discern between a companion that is truly tiny (low mass) and one that is perhaps […]
- Humans
The Science Vote: Spending priorities differ
Federal funding for academic research — a major engine of innovation — has experienced an “unprecedented” two-year decline, the National Science Foundation reported in late August. Between fiscal years 2005 and 2007, Uncle Sam’s share of academic research funding fell from 64 percent to 62 percent. To take up the slack, universities turned to industry […]
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- Archaeology
Resurrection of a biblical tree
Date palm pit found at Masada sprouts at age 2,000, becoming the oldest known seed to germinate.
- Humans
Our Heritage at Risk
Much of the evidence documenting America's culture is at risk of being damaged or disappearing altogether.
- Animals
Butterfly’s clock linked to compass
The most detailed look yet at the monarch butterfly's daily rhythm keeper suggests it's closer to ancient forms than to the fruit fly's or mouse's inner clock.
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Letters
Get the real life In the article “Scientists get a second life” (SN: 5/24/08, p. 20), I take exception to Joanna Scott’s statement that “Second Life is real life.” In fairness, one could debate what she means by “life,” but the statement is just too strong to ignore. As technical director at a major theater, […]
- Space
Messages from Mercury
Data collected by the MESSENGER spacecraft as it flew past Mercury last January has revealed the origin of the planet’s magnetic field, discovered evidence of early volcanic activity and provided a first look at the planet’s surface composition.
- Ecosystems
Tracing Tahitian vanilla
The discovery of Tahitian vanilla’s heritage could set off a custody battle between nations.
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Sequencing the dead to save the living
Reviving ancient genomes of long-extinct creatures offers a window into past extinctions—and may help prevent future die outs.
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