Science

Science & technology
Microplastics have not yet earned their bad reputation
There are worrying signs. But more thorough studies of their health effects are coming

Science & technology
Electric vehicles also cause air pollution
Though fume-free, their brake pads and tyres disintegrate over time

Science & technology
What does space miso taste like?
It should make the diets of astronauts more interesting

Science & technology
Mitochondria transplants could cure diseases and lengthen lives
A technique that may create a new field of medicine

Science & technology
Can Musk put people on Mars?
Whether successful or not, his attempt to do so will reshape America’s space programme

Science & technology
Climate change may make it harder to spot submarines
The sound of their engines will not travel as far

Europe
Trump is driving American scientists into Europe’s arms
But the continent will have to invest more to lure top talent

Briefing
Dreams of improving the human race are no longer science fiction
But the “enhancement” industry is still hobbled by out-of-date regulation

Leaders
How to enhance humans
Finding ways to live much longer—and better—shouldn’t be left to the cranks

Science & technology
Rumours on social media could cause sick people to feel worse
They are powerful triggers of an inverse placebo effect

Science & technology
Do viruses trigger Alzheimer’s?
A growing group of scientists think so, and are asking whether antivirals could treat the disease

Science & technology
Satellites are polluting the stratosphere
And forthcoming mega-constellations will exacerbate the problem