Uncategorized
- 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.
- Genetics
Family takes on progeria in ‘Life According to Sam’
A new documentary portrays an extraordinary search for a cure spurred by a teen with the premature aging disease.
- Neuroscience
3-D effects may require one eye only
Peering through a peephole can bring flat images to life.
- Astronomy
Quiet maximum
By almost any measure, this solar maximum has been pathetic. No more than 67 sunspots have appeared in a month so far; at the last peak, in 2000, that number was above 120.
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- Animals
Amphibian killer forces immune-cell suicides
Fungal menace to frogs and their kin shuts down key parts of the animals’ defenses.
