Uncategorized
- Life
Numbers flap has minor implications for global extinctions
A statistical technique used to estimate rates of species disappearance is flawed, two ecologists charge — but not enough to invalidate recent dire assessments.
By Susan Milius - Life
Life
Romeo-and-Juliet leafhoppers, sleep-deprived honeybees, dragonfly aces and more in this week’s news.
By Science News - Humans
Geographic profiling fights disease
Widely used to snare serial criminals, a forensic method finds application in epidemiology.
- Health & Medicine
No pain, healthier brain
When chronic back problems are treated, benefits extend above the neck.
- Space
Atom & Cosmos
Liquid water possible on Earthlike planet, plus black-hole atoms, Io’s magma ocean and more in this week’s news.
By Science News - Life
Daytime bites for zombie ants
The living dead of the insect world show an unexplained sense of timing: a surge of strange activity in the a.m. followed by a final death grip at midday.
By Susan Milius - Humans
Humans
New World’s oldest dog may have been dinner, plus worrisome PTSD and the benefits of artful dodging in this week’s news.
By Science News -
Microbial mats may have given early animals breathing room
Early animals survived poor marine conditions by inhaling oxygen from bacterial "mines" at the bottom of the ocean.
- Chemistry
Melting icebergs fertilize ocean
Releasing extra iron into the water boosts carbon dioxide uptake by plankton.
By Janet Raloff - Chemistry
Molecules/Matter & Energy
How leeches are able to swell tenfold, plus not-so-super solids, new natural toxins and more in this week's news.
By Science News - Earth
Earth/Environment
Earthquake risk in Chile, plus an ancient Greek island and casino pollution in this week’s news.
By Science News - Science & Society
Youthful ingenuity honored at Intel ISEF
Young scientists receive awards for insights applicable to cancer treatment, homeland security, water supplies and more.