06/03/2015

ESA image: Hungarian mosaic

This image of Hungary, with the political border in white, is a mosaic of 11 scans by Sentinel-1A's radar from October to December 2014.

Fluid-filled pores separate materials with precision

In nature, pores can continuously control how a living organism absorbs or excretes fluids, vapors and solids in response to its environment; for example, tiny holes invisible to the naked eye called stomata cover a plant's ...

Choosy fish females may boost biodiversity

A new study offers insight into a process that could lead one species to diverge into two, researchers report in the American Naturalist.

The hacking tools that terrorise the internet

Hacking is a state of mind. Traditionally, hackers like to discover, understand and share the secrets they expose. They like to laugh at the dumb things they find. They're not necessarily in it for the money, more so for ...

There is really a single ideal body shape for women?

Many scholars of Renaissance art tell us that Botticelli's Birth of Venus captures the tension between the celestial perfection of divine beauty and its flawed earthly manifestation. As classical ideas blossomed anew in 15th-century ...

How far back are we looking in time?

The Universe is a magic time window, allowing us to peer into the past. The further out we look, the further back in time we see. Despite our brains telling us things we see happen at the instant we view them, light moves ...

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