Doing it to death: Suicidal sex in 'marsupial mice'

Imagine if you only had one shot at passing on your genes before you died. It happens more often in the natural world than you might expect: suicidal reproduction – where one or both sexes of a species die after a single ...

What causes air pollution?

By definition, pollution refers to any matter that is "out of place". In other words, it is what happens when toxins, contaminants, and other harmful products are introduced into an environment, disrupting its normal patterns ...

Amazon deforestation is close to tipping point

Deforestation of the Amazon is about to reach a threshold beyond which the region's tropical rainforest may undergo irreversible changes that transform the landscape into degraded savanna with sparse, shrubby plant cover ...

Making sense of Saturn's impossible rotation

Saturn may be doing a little electromagnetic shimmy and twist which has been throwing off attempts by scientists to determine how long it takes for the planet to rotate on its axis, according to a new study.

Feeding bluebirds helps fend off parasites

If you feed the birds in your backyard, you may be doing more than just making sure they have a source of food: you may be helping baby birds give parasites the boot.

Tree rings could pin down Thera volcano eruption date

Charlotte Pearson's eyes scanned a palm-sized chunk of ancient tree. They settled on a ring that looked "unusually light," and she made a note without giving it a second thought. Three years later, and armed with new methodology ...

Early human diet explains our eating habits

Much attention is being given to what people ate in the distant past as a guide to what we should eat today. Advocates of the claimed palaeodiet recommend that we should avoid carbohydrates and load our plates with red meat ...

The shark network—exposing the social lives of sharks

Researchers have shown for the first time that sharks show very strong preferences for particular individuals in their social networks over years and prefer to hang out with other individuals of the same sex and size, in ...

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