Vacuum bombs, or thermobaric weapons, work in two stages.
Nuclear fusion is what generates the energy of the sun: scientists are getting closer to controlling a sustained fusion reaction on Earth.
Marko Aliaksandr/Shutterstock
Insects such as ants and beetles use ingenious processes in their brains to work out how far they’ve travelled and in what direction - we’ve now discovered how they remember their way home.
Forgetfulness is often regarded as a sign of old age. But what exactly is going on in the brain that makes it more difficult for older people to remember things?
We showed for the first time that social disruption and trauma - such as culling of older elephants - has a lasting impact on the behaviour of African elephants.
If we are not careful, the coronavirus pandemic could lead to a rise in xenophobic attitudes.
An exoplanet and its atmosphere pass in front of its star (artist’s impression, from an imaginary point near to the planet).
NASA Goddard Space Flight Center