Science & technology | Cheap microscopes
Microscopes made of paper may help the diagnosis of tropical diseases
Where should predators hang out if there are no watering holes?
Salt licks are a good option
Real flying saucers
The latest satellites are flat and circular
A way to expand Earth’s arable land
Make the semi-desert bloom by enridging it
An AI revolution in drugmaking is under way
It will transform how medicines are created—and the industry itself
Well informed
Can high-intensity interval training get you fit in a hurry?
Yes, but be prepared to suffer
How to export life to Mars
A new science—applied astrobiology—is taking shape