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australian coral decline

Temperature rules Australian coral growth

Friday, 3 February 2012

Increases in ocean temperature are the likely cause of changes in the rate of Australian coral growth over the last century rather than pollution-related acidification of seawater, recent research suggests.


toughest fibre ever created

Toughest fibre ever created in lab

Friday, 3 February 2012

The toughest known fibre has been created from graphene and carbon nanotubes, exceeding the toughness of spun spider silk and Kevlar.


how to predict a supervolcano erruption

How to predict a supervolcano eruption

Thursday, 2 February 2012

Supervolcanic eruptions, which can devastate entire continents by pouring out poisonous gas and scorching magma for months, may be predictable.


killer electrons solar storm

Solar storms' vanishing 'killer electrons' found

Thursday, 2 February 2012

High-energy electrons that should be wreaking havoc on our telecommunications systems during geomagnetic storms have been disappearing, and scientists have finally figured out where they go.


should we bring elephants to Australia

Should we introduce elephants to Australia?

Thursday, 2 February 2012

We should introduce elephants and other large mammals to Australia to ease the impact of bushfires and feral animals on the environment, an Australian scientist has suggested.


how dinosaurs got so big.

Rethinking why dinosaurs got so big

Wednesday, 1 February 2012

The reason dinosaurs became such gigantic creatures is not related to the force of natural selection favouring larger body sizes, new research has found.


sheildcroc

Oldest croc had a shield-like head

Wednesday, 1 February 2012

The oldest known species of crocodile had an armour-plated head and a body half the length of a subway car, according to new research.


future male contraceptive

Sonicating sperm: the future of male contraception?

Tuesday, 31 January 2012

Zapping testicles with ultrasound can reduce sperm counts and might be used in the future as an inexpensive, reliable and reversible male contraceptive, according to U.S. researchers.


parenting happier children

Maternal love predicts larger hippocampus

Tuesday, 31 January 2012

Maternal care in early childhood strongly predicts the size of the hippocampus, a brain region associated with healthy social and emotional development in humans.


Streptococcus pneumoniae

Pneumonia bug evolves to evade vaccine

Monday, 30 January 2012

Bugs that cause childhood pneumonia and meningitis have evolved to evade vaccines by swapping bits of their genome with other bacteria, according to a new study.


Bus-sized asteroid shaves by Earth

Monday, 30 January 2012

An asteroid about the size of a bus shaved by Earth on Friday in what spacewatchers described as a "near-miss", though experts were not concerned about the possibility of an impact.


26 planets kepler

Kepler confirms 26 new planets

Friday, 27 January 2012

NASA's Kepler space telescope mission has confirmed 26 new planets outside our Solar System, all of them orbiting too close to their host stars to sustain life.


moon rock dynamo

Early Moon's metal heart was long-lived

Friday, 27 January 2012

A powerful magnetic field shielded the early Moon, and was generated by a molten metal core that churned for much longer than previously thought, according to a new study.


jumping spiders jump

How jumping spiders make a perfect jump

Friday, 27 January 2012

Jumping spiders have an unusual visual mechanism that allows them to accurately pounce on their prey, a new study has revealed.


magnetic seed

Lasers shine light on galactic magnetic fields

Thursday, 26 January 2012

The mystery of how galaxies, including our Milky Way, have become magnetised has been solved by experiments using high-power lasers.