Uncategorized
- Climate
Rate of atmospheric carbon dioxide rise unprecedented
The current rate of carbon dioxide entering the atmosphere is unprecedented over at least the last 66 million years, new research shows.
- Planetary Science
Origin date established for Mercury’s magnetic field
A 3.8-billion-year-old magnetic field on Mercury provides clues as to how the once volcanically active planet evolved.
- Health & Medicine
Kids who have had measles are at higher risk of fatal infections
Measles infection leaves kids vulnerable to other infectious diseases for much longer than scientists suspected.
By Meghan Rosen - Psychology
On Facebook, you control the slant of the news you choose
Facebook users shield themselves from opposing political ideas more than the site does.
By Bruce Bower - Genetics
Editing human germline cells sparks ethics debate
Human gene editing experiments raise scientific and societal questions.
- Chemistry
Bacteria staining method has long been misexplained
New research upends what scientists know about a classic lab technique, called gram staining, used for more than a century to characterized and classify bacteria.
By Beth Mole - Astronomy
‘Black Hole’ traces 100 years of a transformative idea
Implied by general relativity and proven by astronomical discoveries, black holes’ existence took decades for physicists to accept.
- Microbes
Possible nearest living relatives to complex life found in seafloor mud
New phylum of sea-bottom archaea microbes could be closest living relatives yet found to the eukaryote domain of complex life that includes people.
By Susan Milius - Science & Society
Cancerous clams and other sci-fi fodder
Fans of science fiction will find a few items in this issue sure to trip the imagination.
By Eva Emerson - Astronomy
Wandering planets, the smell of rain and more reader feedback
Readers consider how hard it would be to fashion Paleolithic tools, discuss what to call free-floating worlds and more.
- Planetary Science
How did Earth get its water?
Earth is a wet planet that formed in a dry part of the solar system. How our planet’s water arrived may be a story of big, bullying planets and ice-filled asteroids.
- Physics
Scientists take first picture of thunder
Scientists precisely capture thunder sound waves radiating from artificially triggered lightning.