Streptococcus enzyme could compete with toothbrushes, dental floss

(PhysOrg.com) -- Investigators from Japan show in vitro that the bacterium Streptococcus salivarius, a non-biofilm forming, and otherwise harmless inhabitant of the human mouth, actually inhibits the formation of dental biofilms, ...

Thousands cheer capture of revered Vietnam turtle

Thousands of onlookers cheered in central Hanoi on Sunday when rescuers captured for treatment an endangered and ailing giant turtle revered as a symbol of Vietnam's centuries-old independence struggle.

Declining mangroves shield against global warming

Mangroves, which have declined by up to half over the last 50 years, are an important bulkhead against climate change, a study released on Sunday has shown for the first time.

Nanoparticles offer hope for common skin allergy

Tiny particles only billionths of a meter in diameter—about two thousand would fit across the width of a human hair—could offer big hope in a small package to the many millions of people who are allergic to the ...

Common 'chaperone' protein found to work in surprising way

In the constantly morphing field of protein structure, scientists at The Scripps Research Institute offer yet another surprise: a common "chaperone" protein in cells thought to help other proteins fold has been shown instead ...

Self-cooling observed in graphene electronics

With the first observation of thermoelectric effects at graphene contacts, University of Illinois researchers found that graphene transistors have a nanoscale cooling effect that reduces their temperature.

Google profile in China shrinking

(AP) -- A year after a public spat with Beijing over censorship, Google Inc. says its business with Chinese advertisers is growing even as the Internet giant's share of online searches in China plunges.

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