Uncategorized
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Buyer Beware
A growing number of psychological studies conclude that excessively materialistic values undermine happiness and well-being, although the emotional effects of pursuing money and fancy possessions remain controversial.
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19340
The multiple-origin theory of ancient New World immigration reported in this article has a long and respectable scholarly history, though it’s tarnished from time to time by enthusiasts for one race or another. For an early popular treatment, see Men out of Asia by Harold Sterling Gladwin (1947, McGraw-Hill). Gladwin even mentioned the Pericú, who […]
- Anthropology
Continental Survivors: Baja skulls shake up American ancestry
Members of a foraging group that lived on Mexico's Baja peninsula around 600 years ago were direct descendants of America's first settlers, who arrived on the continent at least 12,000 years ago.
- Health & Medicine
Zealous Adherence: Erratic HIV therapy hasn’t fueled resistance
Among people infected with HIV, those who don't consistently take their antiretroviral drugs as prescribed are no more likely to develop drug-resistant HIV than are patients who adhere to their treatment schedule.
- Materials Science
Sopping Up Heavy Metal: Hybrid material removes mercury from water
A hybrid material consisting of a bacterial protein and a temperature-sensitive polymer proves efficient at removing mercury from contaminated water.
- Animals
Skin Chemistry: Poison frogs upgrade toxins from prey
For the first time, scientists have found a poisonous frog that takes up a toxin from its prey and then tweaks the chemical to make it a more deadly weapon.
- Astronomy
Hubble Highlights a Riddle: What’s the source of quick-return comets?
New observations from the Hubble Space Telescope demonstrate that scientists don't know where a major class of comets comes from.
- Planetary Science
Cozying up to Mars
The Hubble Space Telescope photographed Mars on Aug. 27 when the planet came closer to Earth than it had in nearly 60,000 years, enabling the telescope to take the sharpest global image of Mars ever taken from Earth's vicinity.
- Archaeology
Art on the Rocks: Dating ancient paintings in the caves of Borneo
By dating the mineral deposits on top of cave paintings in Borneo, archaeologists have pushed back the date of earliest human habitation on the island by at least 5,000 years.
- Health & Medicine
Double Shot: Anthrax vaccine gets makeover
An experimental anthrax vaccine appears to spur production of antibodies that stop the bacterium and disable the anthrax toxin at the same time.
- Humans
From the September 2, 1933, issue
URN PATTERNS EXISTED LONG BEFORE URNS WERE MADE Urns, whether for flowers or for funeral ashes, have always had much the same pattern; so much so, that the shape immediately and automatically evokes the name. But that shape existed on the earth long before the earliest neolithic potter smoothed out the walls of the first […]
- Earth
Live from the Aquarium
The Monterey Bay Aquarium in California offers Webcam views of its kelp forest, penguins, and sea otters, along with underwater glimpses of its open ocean exhibit and images of the ocean waters along Cannery Row, just off the aquarium’s decks. The cameras are on from 7 a.m. to 7 p.m., PST, so they capture the […]
