5,522 results
5,522 results for: Forests
- Health & Medicine
Thinner isn’t always better in diabetes
Normal-weight people who develop diabetes have higher mortality than people who are overweight or obese at the disease’s onset
- Chemistry
Supersmall lab-on-a-chip is superfast
Two-chamber nanowire device that quickly finds diagnostic molecules in blood could be a lifesaver.
- Health & Medicine
Debate Renewed: Diabetes drug ups heart risk
A popular diabetes drug significantly increases the risk of heart failure and heart attack in those who take it.
- Health & Medicine
Brain Sabotage: Alzheimer’s protein may spawn miniseizures
Amyloid-beta, a protein implicated in Alzheimer's disease, causes misfiring of neurons and minor brain seizures in mice.
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Jungle Down There: What’s a kelp forest doing in the tropics?
Kelp, algae that grow in cold water, turn out to be surprisingly widespread in tropical seas.
- Animals
Crowcam: Camera on bird’s tail captures bird ingenuity
Video cameras attached to tropical crows record the birds' use of plant stems as tools to dig out food.
- Anthropology
Not So Clear-Cut: Soil erosion may not have led to Mayan downfall
Hand-planted maize, beans, and squash sustained the Mayans for millennia, until their culture collapsed about 1,100 years ago. Some researchers have suggested that the Mayans’ very success in turning forests into farmland led to soil erosion that made farming increasingly difficult and eventually caused their downfall. But a new study of ancient lake sediments has […]
- Animals
Cousin Who? Gliding mammals may be primates’ nearest kin
Two species of small, little-known rain forest mammals may be primates' closest living relatives.
- Earth
Falling Behind: North American terrain absorbs carbon dioxide too slowly
North America's vegetation soaks up millions of tons of carbon dioxide from the atmosphere each year, an impressive rate of sequestration that still can't keep up with the prodigious emissions of the planet-warming gas generated by human activity on the continent.
- Humans
An earlier thaw can trim winter logging
In New Hampshire, the trend toward earlier spring thaws has significantly lowered logging revenues.
- Paleontology
The warm jungles of ancient France
Chemical analyses of amber excavated near Paris suggest that France was covered with a dense tropical forest about 55 million years ago.
- Tech
Energy forest
Silicon nanowires can at least double the storage capacity of lithium-ion batteries.
