Post-wildfire step-pool streams

Boulder, Colo., USA: Steps and pools are among the most stable and functionally important features in the mountain river landscape. Their stability is important for dissipating stream energy, withstanding ordinary floods ...

Why don't birds fall over when they jump?

Scientists have been analysing the way birds jump when they take-off to help us understand why they simply don't just fall over when attempting to fly.

The risk of 'cascading' natural disasters is on the rise

In a warming world, the dangers from natural disasters are changing. In a recent commentary, we identified a number of costly and deadly catastrophes that point to an increase in the risk of "cascading" events – ones that ...

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