02/06/2020

Photonic crystals: 'even thin is functional'

Photonic crystals are the nanostructures that can manipulate photons by means of an energy gap, similar to how the semiconductors in computer chips manipulate electronic current. It was always thought that photonic crystals ...

Climate change presents African grazers with tricky decision

Lions limit their prey, such as zebra and gnu, in their options for adapting to global warming. This is what Leiden researcher Michiel Veldhuis, from the Institute of Environmental Sciences, and a group of international colleagues ...

'Plastic-free' fashion is not as clean or green as it seems

We have all become more aware of the environmental impact of our clothing choices. The fashion industry has seen a rise in "green," "eco" and "sustainable" clothing. This includes an increase in the use of natural fibres, ...

Study explores how Native Americans used sea otters

University of Oregon scientists are probing archaeological evidence for how indigenous peoples used sea otters, and their findings could help Alaskans confront growing numbers of the mammals and Oregonians who want to reintroduce ...

On the hunt for megafauna in North America

Research from Curtin University has found that pre-historic climate change does not explain the extinction of megafauna in North America at the end of the last Ice Age.

Football pitch of rainforest destroyed every six seconds

Vast tracts of pristine rainforest on three continents went up in smoke last year, with an area roughly the size of Switzerland cut down or burned to make way for cattle and commercial crops, researchers said Tuesday.

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