5,526 results
5,526 results for: Forests
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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 […]
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19779
Do cows and other domestic-herd animals really emit more methane than bison and other wild-herd animals emitted before people came along? Do grass, alfalfa, and other pasture plants remove less carbon dioxide than do forests? There were open grasslands before pastures replaced some forests. I hope the people who are researching these things take such […]
- Humans
Ancient New Guinea settlers headed for the hills
Humans had reached the rugged land by sea and quickly adapted to the mile-high forested interior by nearly 50,000 years ago, stone tools and plant remains indicate.
- Earth
Arctic lake yields climate record
A Siberian drilling project goes to great lengths to capture an ancient climate record in a 3.6 million-year-old crater.
- Earth
Warm spell spurred tropical biodiversity
The number of plant species exploded in South America as atmospheric carbon dioxide, and temperatures, rose abruptly about 56 million years ago.
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- Animals
Island orangs descend from small group
Bornean apes went through a genetic bottleneck when isolated during an ancient glaciation.
- Earth
Bugged forests bad for climate
Trees savaged by pine beetles are slow to recover their ecological function as greenhouse gas sponges.
- Animals
Female chimps play with ‘dolls’
Youngsters mimic mothering by cradling sticks, reigniting debate over sex differences in toy choices.
- Life
Genes separate Africa’s elephant herds
Genetic work reveals forest and savanna pachyderms as distinct species.
- Life
Deadly for bugs, perfect for bat naps
A death chamber for insects, the interior of a carnivorous pitcher plant doubles as a cozy daytime roost for small, flying woolly mammals.
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