19/08/2010

Aphid immune system aided by friendly bacteria

(PhysOrg.com) -- Conventional thinking says that animal immune systems have evolved to defend against harmful microorganisms, but a new Cornell study examines the role of friendly bacteria in shaping animal immunity.

Faithful females key to evolution of bird societies

(PhysOrg.com) -- Females with fewer sexual partners can explain where bird species have evolved to cooperate in the rearing of their young, according to Oxford University research.

Having brothers delays sexual maturation in women

(PhysOrg.com) -- Scientists in Perth, Western Australia, investigating the costs of brothers and sisters in contemporary Australian society, have discovered that girls with older brothers tend to start menstruation later, ...

Delaying fat digestion to curb appetite

Institute of Food Research scientists have discovered an unexpected synergy that helps break down fat. The discovery provides a focus to find ways to slow down fat digestion, and ultimately to create food structures that ...

Child of Vietnam war wins top maths honour

Vietnamese-born mathematician Ngo Bao Chau on Thursday won the maths world's version of a Nobel Prize, the Fields Medal, cementing a journey that has taken him from war-torn Hanoi to the pages of Time magazine.

Broadband network could switch Australian voters

Australian Prime Minister Julia Gillard and her challenger Tony Abbott may not be "tech heads", but their starkly opposed views on a national broadband network are a key battleground in this week's election.

ISS orbit corrected

The orbit of the International Space Station (ISS) was successfully corrected on Thursday, an official of the Russian space flights control centre announced.

PC maker Lenovo turns to profit on China sales

(AP) -- Lenovo Group, the fourth-largest personal computer maker, said Thursday it rebounded to a quarterly profit from a loss a year earlier, driven by strong sales in China and other emerging markets.

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