Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
From the August 1, 1936, issue
A destroyer revealed, light linked to chlorophyll, and hemoglobin analyzed.
- Humans
Cryptology for Kids
Interested in learning about making and breaking codes? The National Security Agency has created an interactive Web site for kids, allowing them to play games and solve puzzles as they learn about codes, ciphers, cryptology, and more. Go to: http://www.nsa.gov/kids/
- Humans
Racial IQ Gap Narrows: Blacks gain 4 to 7 points on whites
African Americans reduced the racial gap on IQ-test scores by about one-third between 1972 and 2002.
- Health & Medicine
Drug rescues cells that age too fast
A new drug shows promise toward correcting the accelerated cellular aging typical of Werner syndrome.
- Humans
Named medical trials garner extra attention
Naming a medical trial with an acronym increases the frequency with which other researchers subsequently cite the study.
- Archaeology
Ancient rains made Sahara livable
New evidence indicates that seasonal rainfall more than 7,000 years ago turned Africa's eastern Sahara desert into a savannalike area that attracted an influx of foraging groups.
- Humans
Preserving Paradise
President Bush has created the world's largest marine reserve, a no-fishing, no-disturbance zone, surrounding the northwestern Hawaiian Islands.
- Humans
Books for Late Summer
The writers of Science News present wide-ranging recommendations of books for readers to pack for their late-summer vacations.
- Health & Medicine
How Advertising Is Becoming Child’s Play
Food manufacturers are embracing new media to market their products directly to children.
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- Health & Medicine
Freeing Up the Flow: Clearing neck-artery blockage diminishes signs of depression in elderly
Propping open a clogged carotid artery may ease symptoms of depression in elderly people.
- Health & Medicine
Side Effect Revealed: Heart risk found in leukemia drug
The remarkably successful cancer drug imatinib might cause heart failure in some patients.
