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SN Online
SCIENCE & THE PUBLIC BLOG Space junk is lasting longer, making cleanup more urgent. See “Growing need for space trash collectors.” HUMANS A 2,000-year-old human skull shows signs of having undergone surgery. Read “Ancient Saharan head cases.” Instant messaging can’t replace the soothing sound of Mom’s voice. See “Moms talk, daughters’ hormones listen.” GENES & […]
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Letters
Earthquake rumblings I reviewed this very interesting story (“Seismologists in a rumble over quake clusters,” SN: 5/7/11, p. 5) this morning, and it occurred to me that the connection between all of these very severe earthquakes might possibly be the change in weight distribution throughout the planet, resulting from temperature increases due to climate change […]
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- Physics
Solar cells could get quantum boost
A quantum trick to merge atomic energy levels might boost the power of semiconductor lasers and improve the efficiency of solar panels.
- Life
Genes may explain who gets sick from flu
People who stay well even after being exposed to the flu have a strong immune reaction to the virus, but in exactly the opposite way as those who get sick.
- Health & Medicine
Body & Brain
Antibiotics fight breathing ailments, cat-loving rats and more in this week’s news.
- Humans
Beneficial liaisons
DNA gift from our extinct cousins not only lives on in people today, but helps people today live on.
- Space
Asteroid sample nails meteorite source
Dust returned from space by the Hayabusa mission shows where most space rocks landing on Earth originate.
- Life
Young elephant struck by idea
In a test of insight, a 7-year-old pachyderm finds a way to use toy cube to snag a fruity treat hung just out of reach.
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- Climate
El Niños may inflame civil unrest
Weather extremes associated with this climate phenomenon appear to double the risk that conflict will erupt in any given year.
- Health & Medicine
Studies shed light on Ebola’s M.O.
New findings reveal a key step in how the deadly virus infects cells — and identify compounds that may thwart it.
