Earth
- Climate
Year in review: Sea ice loss will shake up ecosystems
Researchers are studying the complex biological consequences of polar melting and opening Arctic passageways.
- Earth
Year in review: Ozone hole officially on the mend
Research this year confirms that the Antarctic ozone hole is healing — an international success attributed to cooperation and new technologies.
- Oceans
Readers contemplate corals and more
Coral engineering, ancient almanacs and more in reader feedback.
- Ecosystems
Oyster deaths linked to ‘atmospheric rivers’
Atmospheric rivers bring strong storms that could have been behind a 2011 California oyster die-off.
- Earth
Fossil microbes show how some life bounced back after dino-killing impact
Pioneering microbes colonized the waters above the Chicxulub crater within hundreds of years following the impact, new research shows.
- Climate
Glacier melting’s link to climate change confirmed
The decades-long melting of glaciers is categorical evidence of climate change, a new study affirms.
- Genetics
Epigenetic marks may help assess toxic exposure risk — someday
Exposure to things in the environment may change chemical tags on DNA and proteins, but it’s still unclear how to use that data to assess health risks.
- Earth
Third kind of quasicrystal found in Russian meteorite
A new quasicrystal found inside a Russian meteorite is the first ever found in nature before being synthesized in the lab.
- Climate
Solar panels are poised to be truly green
Solar panels are about to break even on their energy usage and greenhouse gas emissions.
- Earth
Wastewater cap could dunk Oklahoma quake risk
Regulation limiting the injection of wastewater into underground wells could return Oklahoma’s earthquake risk to historical background levels within a few years.
- Oceans
Coral die-off in Great Barrier Reef reaches record levels
Bleaching has killed more than two-thirds of corals in some parts of the Great Barrier Reef, scientists have confirmed.
- Earth
50 years ago, nuclear blasting for gas boomed. Today it’s a bust.
50 years ago, scientists made plans to use nuclear explosions to extract natural gas from underground. In one such experiment, the gas was released but turned out to be radioactive.
