Notebook
- Health & Medicine
U.S. lags in road safety
The U.S. tops the list of 19 high-income countries for deaths from motor vehicle crashes.
- Oceans
Underwater city was built by microbes, not people
Submerged stoneworklike formations near the Greek island of Zakynthos were built by methane-munching microbes, not ancient Greeks.
- Life
Artificial hearing has come a long way since 1960s
Scientists envisioned artificial hearing 50 years ago. Today, they are working to make it superhuman.
- Animals
To zip through water, swordfish reduce drag
A newly discovered oil-producing organ inside the swordfish’s head gives the animal slick skin to swim faster.
