27/02/2012

Amoeba offers key clue to photosynthetic evolution

(PhysOrg.com) -- The major difference between plant and animal cells is the photosynthetic process, which converts light energy into chemical energy. When light isn't available, energy is generated by breaking down carbohydrates ...

Ice Age coyotes were supersized, fossil study reveals

Coyotes today are pint-sized compared to their Ice Age counterparts, finds a new fossil study. Between 11,500 and 10,000 years ago — a mere blink of an eye in geologic terms — coyotes shrunk to their present size. ...

Immortal worms defy aging

Researchers from The University of Nottingham have demonstrated how a species of flatworm overcomes the ageing process to be potentially immortal.

Smartphone meets tablet as makers look at big picture

Mobile phone makers used to sell the 'small is beautiful' concept but at this year's world mobile fair, some are inching towards tablet sizes amid a shift towards a new hybrid category.

Brazil has 47.5 million active Internet users

The number of active Internet users in Brazil rose two percent in January and more than 11 percent over the past 12 months to reach 47.5 million, IBOPE Nielsen Online reported Monday.

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