6,871 results
6,871 results for: Bears
- Earth
Multifaceted Mineral: Intense heat, pressure bear new form of silica
By squeezing a mineral sample to pressures higher than those deep within Earth, then zapping it with a laser, scientists have created a crystalline form of silicon dioxide previously unknown on Earth.
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19601
Nothing was said in your article about the situation in Canada, where killing bears for their gallbladders and paws is a serious problem. I suggest that you contact TRAFFIC North America and the World Wildlife Fund–Canada for detailed information on the problem in Canada. Abby SchwarzVancouver, British Columbia The article states, “Traditional medicine has been […]
- Earth
Seismic Speed Traps: Iron-rich regions may slow deep-Earth vibes
Large quantities of iron-rich minerals may be responsible for the sluggishness of seismic waves traveling through certain regions deep within Earth.
- Earth
Blast Survivors: Fragments of asteroid found in ancient crater
Pieces of an asteroid that blasted a 70-kilometer-wide crater in southern Africa millions of years ago may have been found intact inside the thick layer of once-molten rock that the impact left behind.
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- Planetary Science
Red Planet Express: Mars spacecraft traces a watery tale
A Mars-orbiting spacecraft has provided new details about when and where liquid water existed on the planet.
- Earth
New Estimates of the Shark-Fin Trade
A new study of the Asian fish market yields a disturbing estimate of how many sharks are killed each year to satisfy demand for a pricy Asian soup.
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Inherit the Warmer Wind
The genetic makeup of organisms ranging from fruit flies to birds appears to be changing in response to global warming.
- Archaeology
From prison yard to holy ground
Archaeological excavations at a prison near Megiddo, Israel, have unearthed the remains of what may be one of the region's oldest Christian churches.
- Animals
Why Play Dead?
Common wisdom dictates that playing dead discourages predators, but researchers are now thinking harder about how, or whether, that strategy really works.
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Grown-Up Connections: Mice, monkeys remake brain links as adults
Two new studies offer a glimpse of extensive remodeling of nerve connections in the brain's outer layer, or cortex, during adulthood in mice and monkeys.
- Planetary Science
Cassini snaps icy moon Dione
Saturn's small moon Dione has a heavily-cratered, fractured surface.
