Uncategorized
- Health & Medicine
Herbal erection pills may be spiked
Some pills marketed as herbal remedies for erectile dysfunction contain drugs that should be available only by prescription.
- Earth
Filtered air cuts down mutations
Microscopic particles in the air may mutate the DNA of sperm.
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Two egg cells make fatherless mouse
By fusing two egg cells, researchers have created a mouse with no father.
- Astronomy
Windy endeavor
In early April, an Earth-orbiting satellite closed its doors after more than 2 years of collecting ions from the solar wind.
- Astronomy
Dark Doings
A slew of new and proposed experiments, ranging from the cosmic to the subatomic scale, may shed light on why the expansion of the universe is speeding up.
- Anthropology
Humanity’s Strange Face
New fossil finds in a Romanian cave fuel controversy over whether different, closely related species interbred on the evolutionary path that led to people.
- Math
Extra Time, Math, and the SAT
Extra time on the math portion of the SAT helps the most able students the most.
- Humans
Letters from the May 15, 2004, issue of Science News
Drug benefits There are added benefits to methotrexate and etanercept for rheumatoid arthritis patients, such as myself (“Two arthritis drugs work best in tandem,” SN: 3/13/04, p. 174: Two arthritis drugs work best in tandem). After a recent major flare-up, my rheumatologist put me on that therapy. Many people don’t realize that along with inflammation […]
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From the May 12, 1934, issue
William M. Welch and public health, a thymus-gland extract for speeding up growth, and mass-three hydrogen.
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Chem Demos
They may not be as dramatic as the real thing, but online video and descriptions of lecture demonstrations involving combustion and other chemical and physical effects still fascinate. The Chemistry Learning Center at the University of Illinois offers tantalizing glimpses of methanol combustion, electrolysis of water, hydrogen ignition, the effect of liquid nitrogen on a […]
- Agriculture
Rethinking Refuges? Drifting pollen may bring earlier pest resistance to bioengineered crops
Pollen wafting from bioengineered corn to traditional varieties may be undermining the fight to keep pests from evolving resistance to pesticides.
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19419
This article on the spread of Bt pollen ended with the question, “Is this a big deal or a small effect?” The fact that this phenomenon has gone missing from bioengineering papers for 20 years makes one wonder what else hasn’t appeared. Bioengineers saying “we know what we’re doing” should now be humbled. The article […]
