08/01/2009

How Martian winds make rocks walk

Rocks on Mars are on the move, rolling into the wind and forming organized patterns, according to new research.

Looking through Galileo's eyes

In 1609, exactly four centuries ago, Galileo revolutionised humankind's understanding of our position in the Universe when he used a telescope for the first time to study the heavens, which saw him sketching radical new views ...

How cheating ants give themselves away

In ant society, workers normally give up reproducing themselves to care for their queen's offspring, who are their brothers and sisters. When workers try to cheat and have their own kids in the queen's presence, their peers ...

Sequence matters in droughts and floods

When extremes of drought and flood come in rapid succession, the extent of damage to vegetation may depend in part on the sequence of those events, according to a new study published in The American Naturalist.

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