Uncategorized
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- Astronomy
Telescope takes close-ups of distant star
Radio astronomers have for the first time probed ejected gas in the immediate surroundings of a distant star.
- Paleontology
Feathered fossil still stirs debate
More than 2 years after scientists first described 120-million-year-old fossils of a feathered animal, a new analysis seems to bolster the view that the turkey-size species was a bird has-been and not a bird wanna-be.
- Tech
Nanotechnologists get a squirt gun, almost
A novel computer simulation of molecular behavior suggests that a minuscule squirt gun able to spit liquids a few hundred nanometers ought to work.
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Skin cells reveal they have hairy origins
The outer layers of the skin may spring from cells in hair follicles.
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Study explores abortion’s mental aftermath
A majority of women report no increase in psychological problems after having an abortion, although nearly one in five express dissatisfaction and regret 2 years later about their decision.
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19236
I have some questions regarding the statistics presented in this article. It states that up to 19 percent of women undergoing abortion experience regrets afterward. However, 50 percent of the women in the study have had multiple abortions. It seems reasonable to assume that these women would be far less likely to have regrets than […]
- Astronomy
Young pulsar has a split personality
A new pulsar, the youngest discovered to date, unexpectedly exhibits properties of both regular pulsars and a recently explored class of supermagnetic pulsars, the magnetars.
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19235
The first sentence in this article is incorrect when it refers to “a woman’s placenta.” A woman doesn’t have a placenta, nor does any other mammalian mother. The placenta is an organ of the fetus. The mother’s tissue ends at the uterus lining. Bruce S. SibbettSan Bernardino, Calif.
- Health & Medicine
DNA vaccine immunizes fetal lambs
Canadian scientists have devised a way to vaccinate fetal lambs, which could spawn more research into in utero methods for preventing the spread of disease from mothers to their babies.
- Animals
Slavemaker Ants: Misunderstood Farmers?
A test of what once seemed too obvious to test—whether ant colonies suffer after being raided by slavemaker ants—suggests that some of the raiding insects have been getting unfair press.
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Colossal Colon Tour
The Colossal Colon is a 40-foot-long, 4-foot-high replica of a human colon. Visitors can crawl through the colon or look through the viewing windows to see healthy colon tissue, colon disease, polyps, and various stages of colon cancer. Under the auspices of the Cancer Research and Prevention Foundation, the giant model will be on display […]
