Shining (star)light on the search for life

In the hunt for life on other worlds, astronomers scour over planets that are light-years away. They need ways to identify life from afar—but what counts as good evidence?

The world needs a global agenda for sand

What links the building you live in, the glass you drink from and the computer you work on? The answer is smaller than you think and is something we are rapidly running out of: sand.

'Sand mafias' threaten Morocco's coastline

Beneath an apartment block that looms over Monica beach in the western coastal city of Mohammedia, a sole sand dune has escaped the clutches of Morocco's insatiable construction contractors.

Mosquito protein controls blood feeding

Biting insects use a range of tools when sucking blood from hosts to maximize their chances of a good meal. Only female mosquitos feed on blood, which provides a high level of nutrients for egg production. The saliva of biting ...

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