One way or another, we're going to have Greenland' – those are the words of Donald Trump who has said that the US will take control of Greenland. Greenland is a large island in between the Atlantic ...

Engineers studying drone combat at one of China’s top military-linked universities needed a way to simulate clashes between drone swarms in real time. They turned to nature for inspiration. Observing ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Justin Pot Our upgrade pick, Babbel, has discontinued its premium Live service ...