5,522 results
5,522 results for: Forests
- Animals
DNA study reveals new wild cat species in Brazil
A new small cat species, Leopardus guttulus, was discovered in Brazil, hiding in plain sight. The oncilla, researchers say, is really two kinds of cat.
- Animals
New species of tapir found in the Amazon
A sixth species of the large, snouted mammal was hiding in plain sight, well known by indigenous people.
- Health & Medicine
Age-related anemia hastens death
People who develop low concentrations of iron-containing hemoglobin in their blood as they get older are at elevated risk for serious medical problems and early death.
- Earth
Warming climate may slam many species
Expected increases in global temperature could eradicate from a sixth to a half of the plant and animal species across large areas of the globe, a new analysis suggests.
- Paleontology
Ancient wood points to arctic greenhouse
Chemical analyses of wood that grew in an ancient arctic forest suggest that the air there once was about twice as humid as it is now.
- Materials Science
Melt-Resistant Metals: Carbon coating keeps atoms in order
Shrink-wrapped in carbon, nanoscale metal chunks melt at extraordinarily high temperatures, suggesting carbon coatings as a route to higher heat resistance for materials and devices.
- Earth
A Dam Shame? Project may slam China’s biodiversity
When the Three Gorges Dam begins to impound the waters of the Yangtze River in China later this year, dozens of mountains and other elevated areas upstream will become islands—an outcome that will probably devastate the rich diversity of species now living along the river.
- Health & Medicine
Flawed Therapy: Hormone replacement takes more hits
Elderly women taking estrogen and progestin are more likely to develop dementia, including Alzheimer's disease, and stroke than are women not taking the hormones.
-
Chopping up a microbial tail
An enzyme made by immune cells destroys the proteins that make up bacterial tails.
- Health & Medicine
Full-Length Pregnancy: Progesterone product may reduce premature births
A drug related to the female hormone progesterone helps some pregnant women who are prone to premature birth extend their pregnancies.
- Earth
Not So Green? Using hydrogen as fuel may hurt environment
Replacing fossil fuels with clean-burning hydrogen—considered to be a way to reduce globe-warming carbon dioxide—may create a different set of environmental problems, including larger and longer-lasting ozone holes.
- Astronomy
Solar Terrain: Revealing the sun’s complex topography
The sharpest images of the sun ever taken, released last week, show our stellar neighbor’s rugged surface in new and surprising detail.
