5,529 results
5,529 results for: Forests
-
19678
This article reported that years ago it was discovered that certain male mice eradicate cancer cells and that white blood cells from these mice make normal mice cancer resistant. It also reported that it is superpremature to look forward to clinical applications. It would seem that aggressive searches for remission of cancer in humans with […]
-
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 […]
-
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.
-
- 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.
