Why are insect and human brains so similar?
U. ARIZONA (US) / KING’S COLLEGE LONDON (UK) — Decision-making centers in the brains of insects and mammals share too many similarities to have evolved independently, a new study suggests. Continue…
Friday, April 12, 2013 11:22 - 6 Comments
Top Stories - Apr 2, 2013 10:40 - 2 Comments
Pests could chomp past double toxin
U. ARIZONA (US) —Crops genetically engineered to produce multiple toxins might not kill pests for long, warn researchers. (more…)
Earth & Environment - Mar 26, 2013 10:53 - 0 Comments
After die-off, forests hold tight to carbon
U. ARIZONA (US) — After a massive tree die-off, conventional wisdom has it that a forest will go from carbon sink to carbon source, but new research shows it’s not as dramatic an effect as previously thought. (more…)
Science & Technology - Mar 7, 2013 9:30 - 1 Comment
Man’s rare Y chromosome traced back 338,000 years
U. ARIZONA (US) — DNA from an African American in South Carolina pushes back the time of the most recent common ancestor for the Y chromosome lineage tree to 338,000 years ago. (more…)
Science & Technology - Feb 21, 2013 11:30 - 4 Comments
Most abundant ocean viruses attack bacteria
U. ARIZONA (US) — Odd-looking viruses are waging war on an ocean-living bacterium that’s key to the Earth’s carbon cycle, say researchers. (more…)
Top Stories - Feb 21, 2013 7:46 - 0 Comments
How Saturn’s Titan cooks up smog
U. ARIZONA (US) — New details of how aerosol particles on Saturn’s smoggy moon Titan got their start may help predict how such particles form in other atmospheres and on Earth. (more…)
Society & Culture - Feb 5, 2013 12:09 - 2 Comments
Do ‘bad apples’ make the whole bunch nicer?
U. ARIZONA / PRINCETON (US) — Human kindness may come from from our more sinister tendencies, and rules against selfishness have roots in the exploitation they condemn, say researchers. (more…)
Earth & Environment - Jan 23, 2013 11:08 - 3 Comments
Plants can go thirsty but only for so long
U. ARIZONA (US) — Many plants’ demand for water is flexible, but prolonged drought conditions have put their resilience to the test. (more…)
Science & Technology - Jan 10, 2013 14:29 - 2 Comments
Vega’s asteroid belt hints at hidden planets
U. ARIZONA (US) — The bright star Vega has an asteroid belt, much like our sun, a finding that hints at the possibility of orbiting planets. (more…)
Science & Technology - Jan 9, 2013 11:41 - 2 Comments
Telescopes reveal brown dwarf’s ‘iron rain’
U. ARIZONA (US) — The Spitzer and Hubble space telescopes show sandy and iron storm clouds that enshroud these strange objects, which are not quite planets and not quite stars. (more…)
Earth & Environment - Jan 9, 2013 11:00 - 1 Comment
Hidden cameras catch wild cat travels
U. ARIZONA (US) — Snapped by automatic trail cameras, new pictures of a male jaguar and a male ocelot roaming Southern Arizona offer hints about the cats’ movements. (more…)
Earth & Environment - Nov 7, 2012 12:46 - 0 Comments
Is biofuel from algae ‘green’ enough yet?
U. ARIZONA (US) — “Algal biofuels are not quite ready for prime time,” says Joel Cuello, co-author of a new report evaluating the alternative fuel’s current drawbacks and its potential. (more…)
Science & Technology - Oct 24, 2012 9:12 - 1 Comment
Unruly galaxies have ‘Peter Pan syndrome’
U. ARIZONA (US) — Galaxies don’t appear to be in any hurry to grow up. New research shows that disk galaxies like the Milky Way reached their current state as orderly rotating pinwheels much later than previously thought. (more…)
Top Stories - Oct 15, 2012 11:18 - 1 Comment
Laser pulses freeze electrons in motion
U. ARIZONA (US) — Physicists have used the world’s fastest laser pulses to freeze the motion of electrons and atoms. (more…)
Top Stories - Oct 12, 2012 10:06 - 4 Comments
Probe’s landing reveals Titan’s surface
U. ARIZONA (US) — When the Cassini spacecraft dropped a probe onto Saturn’s moon Titan, it bounced, slid, and wobbled to rest 10 seconds after it landed. (more…)
Science & Technology - Oct 11, 2012 12:57 - 3 Comments
‘Missing link’ fossil preserves oldest brain
U. ARIZONA (US) — An extinct arthropod’s fossil reveals that anatomically complex brains evolved earlier than previously thought and have changed little over the course of evolution. (more…)
Science & Technology - Oct 2, 2012 11:40 - 6 Comments
Edge of a black hole: ‘You’re not coming back’
U. ARIZONA (US) — What happens to matter as it spirals into a black hole 6 billion times the mass of our sun? (more…)
Top Stories - Oct 2, 2012 6:44 - 0 Comments
These electronics can biodegrade in your body
U. ARIZONA (US) — A new class of tiny electronic devices can dissolve completely in water—or bodily fluids. (more…)
Earth & Environment - Sep 18, 2012 11:38 - 2 Comments
Climate models fail to predict short-term shifts
U. ARIZONA (US) — Computer models do a good job of predicting long-term climate patterns on a global scale but deteriorate when applied to shorter time frames and smaller regions, an analysis shows. (more…)
