Science & Technology - Jan 29, 2013 14:49 - 1 Comment

Fossils hold evidence of sexual selection

U. SOUTHAMPTON (UK) — Comparisons with living animals make it possible for scientists to detect sexual selection among creatures in the fossil record, say researchers. (more…)

Science & Technology - Jan 29, 2013 14:26 - 0 Comments

Crater ridges suggest water flowed on Mars

BROWN (US) — Ridges in impact craters on Mars may be fossils of cracks through which water once flowed, scientists report. (more…)

Science & Technology - Jan 28, 2013 17:18 - 0 Comments

‘Bird-dinosaur’ could run, but didn’t fly

U. SOUTHAMPTON (UK) — A new bird-like dinosaur from the Jurassic period adds to the debate on the origin of flight. (more…)

Science & Technology - Jan 28, 2013 17:00 - 0 Comments

Graphene combo could shrink electronics

RICE (US) — Scientists have taken an important step toward the creation of two-dimensional electronics with a process to make patterns in atom-thick layers that combine a conductor and an insulator. (more…)

Science & Technology - Jan 28, 2013 11:44 - 2 Comments

Grow better crops with ‘Scarecrow’ gene

CORNELL (US) — A recently discovered gene could lead to new varieties of staple crops that have 50 percent higher yields. (more…)

Science & Technology - Jan 25, 2013 17:27 - 0 Comments

Love-hate bond forms new compound

NORTHWESTERN (US) — Adding unpaired electrons to the mix has let scientists interlock identical rings that would normally repel each other, resulting in a new chemical compound. (more…)

Science & Technology - Jan 25, 2013 15:58 - 0 Comments

Break-ups are tough on mating owl monkeys

U. PENN (US) — Owl monkeys, considered a socially monogamous species, have fewer offspring when they are forced to switch mates, a new study reveals. (more…)

Science & Technology - Jan 25, 2013 15:08 - 0 Comments

Tiny cookiecutter sharks snack on great whites

U. FLORIDA (US) — The great white shark occasionally becomes prey for a lone predator one-tenth its size. (more…)

Science & Technology - Jan 25, 2013 14:45 - 0 Comments

Team tracks single flies in the big swarm

YALE (US) — Analyzing what happens in a midge fly mating swarm could help scientists better understand bird flocks, fish schools, and human crowds. (more…)

Science & Technology - Jan 25, 2013 10:32 - 0 Comments

Bat dad devotion depends on the roost

U. LEEDS (UK) — Male bats range from devoted fathers to independent bachelors along a 50 km stretch of the River Wharfe in Yorkshire, England. (more…)

Science & Technology - Jan 24, 2013 14:11 - 0 Comments

Brain scans predict language skills at age 1

U. WASHINGTON (US) — The anatomy of the hippocampus and cerebellum, brain areas associated with motor skills and memory, can predict children’s language abilities at age 1. (more…)

Science & Technology - Jan 24, 2013 11:56 - 0 Comments

Will lemurs survive parasites gone wild?

DUKE (US) — Rising temperatures and shifting rainfall patterns in Madagascar could fuel the spread of lemur parasites and the diseases they carry. (more…)

Science & Technology - Jan 23, 2013 18:25 - 0 Comments

‘Gilligan and Skipper’ dwarf galaxies discovered

CASE WESTERN RESERVE (US) — Astronomers have discovered a faint dwarf galaxy and another possible young dwarf caught before it had a chance to form any stars. (more…)

Science & Technology - Jan 23, 2013 12:37 - 0 Comments

Particle size matters when coffee dries up

U. PENNSYLVANIA (US) — The “coffee-ring effect” is why some liquids leave behind a ring-shaped stain when they evaporate. Scientists reveal why the shape of the particles matters. (more…)

Science & Technology - Jan 23, 2013 12:30 - 0 Comments

Nanosponge absorbs toxins in water

MONASH U. (AUS) — Researchers have shown the potential of a new kind of nanomaterial to filter out environmental poisons from water. (more…)

Science & Technology - Jan 22, 2013 18:39 - 0 Comments

For instant hydrogen, add water to silicon

U. BUFFALO (US) — Scientists can produce hydrogen—a potential power source for portable devices—on demand by adding water to nanosized silicon. (more…)

Science & Technology - Jan 21, 2013 12:19 - 0 Comments

Polymer sieve divides gases by size

CARDIFF U. (UK) — A new polymer efficiently separates gas mixtures by the size of the molecules, report researchers. (more…)

Science & Technology - Jan 18, 2013 15:53 - 3 Comments

Cheating amoebae don’t pay the price

WASHINGTON U.-ST. LOUIS (US) — Scientists have found a gene that allows amoebae to pass on more than their fair share of their genes without compromising their overall fitness. (more…)

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