15/01/2020

Hot OLEDs can 'switch back'

It is well-known that LEDs and transistors should not be connected in parallel as slight differences in resistance can lead to imbalanced current flow. This effect gets even stronger if the devices heat up as their resistance ...

The burden of climate risk falls on the poor

Storm, flood, drought: With global warming, extreme events become more frequent and intense. They especially impact the poorest of the poor. Geographer Matthias Garschagen examines how urban societies can adapt to climate ...

Meet the narwhal, 'unicorn of the sea'

Narwhals are often called the unicorns of the sea. The long tusk of the male narwhal sets these whales apart, but it's not the only thing that makes Monodon monoceros among the most intriguing and mysterious marine mammals.

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