Earth
- Ecosystems
Shrinking sea ice threatens natural highways for caribou, plants
As Arctic sea ice declines, Peary caribou or plants risk getting stranded when their frozen highways thaw.
- Earth
Primordial continental crust re‑created in lab
Compressing rocks from an ocean plateau at high temperatures and pressures re-creates the formation of Earth’s first continental crust.
- Climate
Arctic sea ice shrinks to second-lowest low on record
A warm summer helped shrink sea ice in the Arctic Ocean to a statistical tie with 2007 for the second smallest sea ice minimum on record.
- Oceans
First U.S. ocean monument named in the Atlantic
A region of ocean off the coast of Cape Cod has become the first U.S. marine national monument in the Atlantic Ocean, President Barack Obama announced.
- Animals
Sandboxes keep chicken parasites at bay
Fluffing feathers in sand and dust prevents severe mite infections in cage-free hens.
- Earth
Where the young hot Earth cached its gold
A simulation of the infant Earth provides a new view of how the iron-loving precious metals ended up buried deep in the planet’s core.
- Oceans
Fish escapes from marine farms raise concerns about wildlife
Farmed salmon, sea bass and other fish frequently escape from sea cages into the ocean. Will these runaways harm native wildlife?
- Earth
Wave-thumping ‘weather bomb’ storms send elusive S waves through Earth
A rare type of deep-Earth tremor called an S wave generated by a rapidly strengthening storm could help scientists map the planet’s mantle and core.
- Climate
Global warming amplified death toll during 2003 European heat wave
Climate change caused hundreds of fatalities in London and Paris during the 2003 European heat wave, simulations suggest.
- Plants
How a tomato plant foils a dreaded vampire vine
Tomatoes can foil a dodder plant attack by getting scared and scabbing over.
- Animals
Ways to beat heat have hidden costs for birds
Birds that look as if they’re coping with heat waves and climate change may actually be on a downward slide, with underappreciated disadvantages of panting and seeking shade.
- Oceans
Lack of nutrients stalled rebound of marine life post-Permian extinction
Warm sea surface temperatures slowed the nitrogen cycle in Earth’s oceans and delayed the recovery of life following the Permian extinction, researchers propose.
