5,528 results
5,528 results for: Forests
- Ecosystems
U.S. bird populations in decline, report says
Secretary of the Interior Ken Salazar releases a review of U.S. bird populations.
- Life
Genes help monarchs migrate
At least 40 genes help monarch butterflies find their way to overwintering sites in Mexico.
- Anthropology
African pygmies may be older than thought
A new DNA analysis indicates that pygmy hunter-gatherers and farming groups in Africa diverged from a common ancestral population around 60,000 years ago.
- Earth
A little air pollution boosts vegetation’s carbon uptake
Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests.
- Plants
Oops, missed that tree
Until now, an acacia common in its African homeland had no scientific name
- Plants
Climatic effects of tree-killing hurricanes
A new analysis suggests storm damage returns millions of metric tons of carbon dioxide to the atmosphere each year.
- Animals
Caterpillars’ chirp could be scary
Larvae of great peacock moths might signal that they’ll put up a fight.
- Health & Medicine
Keeping artery plaques under control
Toning down a gene called CHOP may offer a way to reduce the risk of arterial plaque ruptures, which can cause heart attacks and strokes, a study in mice shows.
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- Animals
For some birds, chancy climates mean better singers
In the mockingbird family, the most accomplished musical species tend to live in treacherous climates.
- Animals
No Early Birds: Migrators can’t catch advancing caterpillars
Pied flycatcher numbers are dwindling in places where climate change has knocked the birds' migration out of sync with the food-supply peak on their breeding grounds.
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Sharing the Health: Cells from unusual mice make others cancerfree
Immune-cell transplants from an extraordinary strain of mice that resists cancer can pass this trait to mice that aren't as lucky.
