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Articles on Biology

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How do you get the girl? That’s a nom-brainer. Yann Audras

No food, no love: female fish prefer well-nourished males

“Finish your dinner or there’ll be no dessert for you!” – it’s a cry heard at dinner tables around the world, as mothers battle to convince their sons about the importance of eating properly. Sorry lads…

Childhood leukaemia cells identified

Scientists have identified the cells that cause a common type of childhood leukaemia – T cell Acute Lymphoblastic Leukaemia…
The humble pigeon mightn’t look smart, but it’s no bird-brain. Seamoor

Are pigeons as smart as primates? You can count on it

We humans have long been interested in defining the abilities that set us apart from other species. Along with capabilities such as language, the ability to recognise and manipulate numbers (“numerical…
In 2009, more than 190 whales and dolphins stranded themselves on King Island. AAP

Explainer: What do we know about why whales strand themselves?

Whales are a highly specialised group of mammals which left their terrestrial ancestors for the ocean about 50 million years ago. They have become so well adapted to the marine environment that they can…
Human sleeping patterns could be about more than light and dark. Kristof Borkowski

Sleeping with the fishes: Somalian cavefish shed light on our body clocks

Eyeless fish that have evolved underground, completely isolated from the day-night cycle, may offer clues to how our body clocks work up here on dry land. Authors of a report published today in the online…
Interbreeding by modern humans with Neanderthals may have helped boost Homo sapiens’ immunity. Flickr/JacobEnos

How breeding with Neanderthals gave us better immunity

Homo sapiens mated with their ancient human counterparts, including Neanderthals, and helped improve the modern human immune system in the process, according to a new study. Researchers from the Stanford…
Estimates on the possible number of species vary wildly. Holger Hollerman/AFP

8.7 million species now estimated on Earth (and then some)

An estimated 8.7 million species exist on Earth, according to a paper published today in PLoS Biology. The figure is based on a new validated analytical technique that, it’s said, significantly narrows…

Stowaway yeast breeds lager beer industry

Researchers believe they have finally identified the variety of wild yeast that now underpins the entire lager beer industry…

Sparrows spar by sharing songs

Far from being a harmonious sing-a-long, song-sharing among sparrow populations is actually an aggressive behaviour, akin…

Males die early for female attention

Male houbura bustards that are particularly exuberant in their attempts to attract female attention have been found to die…

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