Earth
- Animals
50 years ago, DDT pushed peregrine falcons to the edge of extinction
In 1969, peregrine falcons were at risk of extinction. But a ban on the pesticide DDT and new captive breeding programs allowed the raptors to recover.
- Tech
A new 2-D material uses light to quickly and safely purify water
A newly designed material uses only light to speedily remove 99.9999 percent of microbes from water.
- Earth
Greenland may have another massive crater hiding under its ice
There may be yet another large crater buried beneath Greenland’s ice sheet. But it’s probably not related to the first one found last year.
- Climate
An Antarctic expedition will search for what lived under the Larsen C ice shelf
The fourth attempt to investigate the seafloor once hidden by the Larsen C iceberg may have the best chance yet of success.
- Climate
2018 was the fourth-hottest year on record, and it’s getting even hotter
Record-level rains and temperatures struck different regions of the world in 2018, the fourth warmest year on record.
- Climate
Collapsing ice cliffs may not contribute to sea level rise
Scientists debate a controversial hypothesis that suggests that massive crumbling ice cliffs could speed up future sea level rise.
- Climate
‘The Human Element’ makes the impacts of climate change feel real
Photographer James Balog puts a human face on the impacts of climate change in the documentary The Human Element.
- Climate
Climate change might not slow ocean circulation as much as thought
New measurements may call for a rethink of what controls ocean circulation in the North Atlantic.
- Health & Medicine
Chinese ‘tweets’ hint that happiness drops as air pollution rises
A study of more than 210 million social media posts reveals a link between people’s sense of well-being and pollution.
- Earth
Five explosive things the 2018 eruption taught us about Kilauea
Kilauea’s 2018 eruption allowed volcanologists a clear window into the processes that have shaped and influenced the world’s most watched volcano.
- Earth
Earth’s core may have hardened just in time to save its magnetic field
Earth’s inner core began to solidify sometime after 565 million years ago — just in time to prevent the collapse of the planet’s magnetic field, a study finds.
- Earth
50 years ago, scientists tried to control earthquakes with earthquakes
In the 1960s, researchers proposed preventing a big earthquake by creating smaller ones. That hasn’t quite worked out.
