Earth
- Earth
Remnants from Earth’s birth linger 4.5 billion years later
Shaken, not stirred: Tungsten isotopes reveal that mantle convection has left some remnants of ancient Earth untouched for 4.5 billion years.
- Environment
When measuring lead in water, check the temperature
Lead contamination in drinking water can be much higher during summer than winter, new research suggests.
- Environment
U.S. oil and gas boom behind rising ethane levels
Oil and gas operations on North Dakota’s Bakken shale are largely to blame for a recent rise in global emissions of the greenhouse gas ethane, researchers conclude.
- Plants
Here’s what a leaf looks like during a fatal attack of bubbles
Office equipment beats synchrotrons in showing how drought lets air bubbles kill the water-carrier network of veins in plant leaves.
- Animals
Cause of mass starfish die-offs is still a mystery
Sea stars off the U.S. west coast started dying off en masse in 2013. Scientists are still struggling to figure out the cause.
- Earth
Rainwater can help trigger earthquakes
Rainwater plays a major role in the triggering of earthquakes along New Zealand’s Alpine Fault.
- Climate
Fizzled 2014 El Niño fired up ongoing monster El Niño
The ongoing El Niño, one of the strongest on record, got a heat boost from a 2014 event that failed due to unfavorable winds.
- Agriculture
Bacterium still a major source of crop pesticide
Bacillus thuringiensis bacteria have provided pest-fighting toxins for over 50 years.
- Planetary Science
How alien can a planet be and still support life?
Geoscientists imagine the unearthly mechanisms that could keep alien planets habitable.
- Animals
Scientists find a crab party deep in the ocean
A trip to check out the biodiversity off the coast of Panama revealed thousands of crabs swarming on the seafloor.
- Climate
Wildfire shifts could dump more ice-melting soot in Arctic
Wildfires will emit more soot into the air in many regions by the end of the century, new simulations show.
- Environment
EPA boosts estimate of U.S. methane emissions
A new report by the U.S. Environmental Protection Agency revises the agency’s methane emission estimates upward by 3.4 million metric tons.
