News
- Astronomy
A fast radio burst from a dead galaxy puzzles astronomers
A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.
- Animals
Cuttlefish ink may overwhelm sharks’ sense of smell
The main component of common cuttlefish ink — melanin — strongly sticks to shark smell sensors, possibly explaining why the predators avoid ink.
- Health & Medicine
A second version of bird flu is infecting cows. What does that mean?
While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.
