News
- Health & Medicine
Chronic low back pain may be less likely if you walk – a lot
Adults who walked more than 100 minutes per day were less likely to have chronic low back pain than those who walked fewer than 78 minutes per day.
- Space
A third visitor from another star is hurtling through the solar system
Scientists have found a new interstellar object whizzing toward the sun.
- Astronomy
Nearly half of the universe’s ordinary matter was uncharted, until now
Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.
