Acidic oceans are corroding the tooth‑like scales of shark skin
Shark skin is composed of millions of tiny scales, which have a similar chemical composition to human teeth.
Primary Results
Astronomers watch as black hole drags an exploding star to its death
A team of astronomers captured the moment when a wayward star was pulled into the mouth of a supermassive black hole.
How we stop floating wind turbines the size of skyscrapers from drifting away
Offshore wind turbines are getting bigger and bigger – and many of them now float – here’s how we stop them drifting away.
From padded bras to penis injections: how changing body shape can give athletes a competitive edge
These stories sound bizarre, but they highlight the battle for marginal gain in competition.
Boeing Starliner astronauts: what six months stuck in space may do to their perception of time
Butch Wilmore and Suni Williams were supposed to stay around eight days on the space station.
Guatemala: expulsion of UN investigators drags country down authoritarian path
The CICIG’s investigators have highlighted corruption in the country – and its leaders don’t like it.
Britain’s military presence in the Middle East – and how it could be dragged into war
It is possible that Tehran has assumed British complicity in the launching of Operation Epic Fury.
Taiwan: how airlines are being dragged into China’s bitter dispute over the island’s sovereignty
China is using new ways to undermine Taiwan’s territorial status.
Tikrit offensive drags on as Islamic State advances elsewhere
Iraq rolled into Tikrit with big promises of a major victory against Islamic State. The world is still waiting.
Space junk will crash back to Earth on Friday the 13th – but it’s no bad omen
A crashing piece of space junk could be a a good fortune for researchers, despite falling on Friday the 13th.
Secondary Results
