Uncategorized
- Astronomy
Disks of Dust: Planet-stuff surrounds other sunlike stars
Two orbiting observatories for the first time are homing in on planetary debris circling sunlike stars.
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Cloning Milestone: Monkey embryos urged to stem cell stage
Researchers have coaxed cloned rhesus macaque embryos to grow to the blastocyst stage, the furthest point yet reached in cloning a nonhuman primate.
- Archaeology
China’s Fermented Past: Pottery yields signs of oldest known wine
Analyses of ancient pottery have yielded evidence the people living in northern China 9,000 years ago concocted a fermented, winelike drink from rice, honey, and fruit.
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Mice smell a mate’s immune system
By sniffing molecules present in urine, mice gain insight into each other's immune systems.
- Health & Medicine
TB vaccine gets a needed boost
An experimental vaccine against tuberculosis imparts significant immunity, but only in people who have previously received the existing bacille Calmette-Guérin vaccine for TB.
- Astronomy
Gamma view of a big blast
Astronomers have for the first time used extremely high-energy gamma rays to image a celestial body.
- Health & Medicine
Sleeve worn on heart fights failure
A new mesh wrap can be placed around an expanded and weakened heart to restore the organ to an efficient, elliptical form.
- Health & Medicine
Up and down make different workouts
An unusual study conducted on an Alpine mountainside suggests that climbing a steep slope improves the body's ability to process certain fats, while descending such a slope enhances metabolism of a key sugar.
- Astronomy
Explosive Tales
Four hundred years after the explosion of the Kepler supernova, the last such stellar eruption in our galaxy, astronomers have examined the supernova's remnant with state-of-the-art telescopes that view it in infrared, optical, and X-ray light.
- Anthropology
Remnants of the Past
Sophisticated analyses suggest that some prehistoric peoples were highly skilled weavers.
- Humans
From the December 1, 1934, issue
Large propellers for an ocean liner, a new kind of nitrogen, and high blood pressure and thickening of arteries.
- Humans
Museum of Science
Interested in ancient Egypt, how your body ages, electron microscope images, or fractal patterns in nature? The Museum of Science in Boston offers a wide variety of online exhibits. You can learn the basics of robotics, explore Mt. Everest, venture to Antarctica, meet Leonardo da Vinci, dip into Earth’s oceans, and much more. Go to: […]
