Notebook
- Animals
Surprise! This shark looks like a male on the outside, but it’s made babies
External male reproductive organs hid internal female capacity to give birth among hermaphrodite sharks in India.
- Health & Medicine
Air pollution is triggering diabetes in 3.2 million people each year
A new study quantifies the link between smoggy air and diabetes.
- Health & Medicine
Finally, there’s a way to keep syphilis growing in the lab
Scientists have figured out how to keep a sample of the bacteria Treponema pallidum alive and infectious for over eight months.
- Earth
Earth’s rivers cover 44 percent more land than we thought
A global survey of rivers and streams based on satellite data suggests that these waterways traverse about 773,000 square kilometers.
