Uncategorized
- Materials Science
Radar distinguishes electronics from other metals
Using two pulses of radio waves, method could locate survivors trapped in rubble.
- Plants
Single-sex flowers release his, hers fragrances
Growing on the same tree, male blooms smell different from female blooms in certain tropical plant species.
- Humans
Our Final Invention
Computers already make all sorts of decisions for you. Imagine if the machines controlled even more aspects of life and could truly think for themselves.
- Earth
Trees mark the spot of buried gold
Tiny bits of the precious metal in eucalyptus leaves indicate treasure lurks belowground.
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- Environment
Feedback
Readers respond to "Solving soot," trade-offs of horn size for male Soay sheep and the huge galactic explosion story from 50 years ago.
- Physics
Oldest pitch-drop experiment
The allure of pitch — a black tarlike hydro-carbon by-product of distilling petroleum, wood or coal — comes from its split personality: It shatters from a quick hit with a hammer, but flows if set aside for long periods.
- Health & Medicine
Infant digestive problem more likely with formula
Hypertrophic pyloric stenosis, which causes forceful vomiting, is more common in babies not breast-fed.
- Agriculture
Fertilizer has staying power
Nitrogen-based fertilizer may remain in the soil for eight decades, complicating efforts to reduce pollution from runoff into rivers.
- Health & Medicine
Seek Meningitis Vaccine
Excerpt from the November 9, 1963, issue of SCIENCE NEWS LETTER.
- Animals
The colorful lives of squid
Your calamari, it turns out, may have come from a temporary transvestite with rainbows in its armpits.
- Planetary Science
A grander canyon on Mars
Hebes Chasma, a huge trough on Mars, reflects the Red Planet’s tumultuous and varied past.
