5,507 results
5,507 results for: Forests
- Earth
Pumped-up Poison Ivy: Carbon dioxide boosts plant’s size, toxicity
Rising carbon dioxide in the atmosphere could make poison ivy grow much faster and become more toxic.
- Chemistry
Alien Pizza, Anyone?
Although many biochemical molecules come in left-handed and right-handed versions, life on Earth uses one version exclusively, and some controversial experiments suggest this preference might not be due to chance.
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Message Songs: Wild gibbons warble with a simple syntax
Gibbons, a line of apes in southeastern Asia, rearrange their songs in order to communicate with one another.
- Humans
Good Gone Wild
New research shows that the ecotourism model of raising conservation awareness while protecting indigenous cultures doesn't always work out as planned.
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Aging Lessons: Training gives elderly practical assistance
Sessions aimed at improving memory, reasoning, or visual concentration in healthy elderly people yield notable cognitive returns, even 5 years later, a long-term study suggests. The training largely protected the participants from age-related declines in the ability to perform everyday tasks such as preparing meals, doing housework, and managing money. A handful of booster sessions […]
- Animals
Extreme Tongue: Bat excels at saying ‘Aah’
The new champion among mammals at sticking out its tongue is a small bat from Ecuador.
- Earth
Drought’s heat killed Southwest’s piñon forests
The heat accompanying a drought and a plague of bark beetles seem to explain the deaths of swathes of piñon pine trees across the Southwest in 2002 and 2003.
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Age Becomes Her: Male chimpanzees favor old females as mates
Male chimpanzees in Uganda prefer to mate with older females, a possible sign of males' need to identify successful mothers in a promiscuous mating system.
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19686
It’s big news that poison ivy thrives where there are higher concentrations of carbon dioxide? Did everyone forget elementary school science and plant life’s dependence upon carbon dioxide? Do I advocate buying and driving the most carbon dioxide–emitting vehicle you can find? No. I guess I would just like to see more common sense and […]
- Ecosystems
Brave Old World
If one group of conservation biologists has its way, lions, cheetahs, elephants, and other animals that went extinct in the western United States up to 13,000 years ago might be coming home.
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Blood clot protein is stretchiest natural fiber ever found
The protein that forms the backbone of blood clots can stretch to several times its own length and then snap back to its original size.
- Plants
Orchid bends around to insert pollen
An orchid species in China has set a new record for acrobatics in self-pollination, twisting its male organs around and inserting them into the cavity where the female organ lies.
