All Stories by Anna Gibbs
- Animals
A global report finds amphibians are still in peril. But it’s not all bad news
A survey of about 8,000 amphibian species provides the latest update on extinction risk trends stretching back to 1980.
- Humans
Lauren Schroeder looks beyond natural selection to rethink human evolution
Paleoanthropologists studying the fossil record have long focused on natural selection, but other processes play a big role too.
- Animals
Urchins are dying off across the Caribbean. Scientists now know why
A type of single-celled microorganism associated with coral diseases is behind a sea urchin die-off in the Caribbean.
- Archaeology
Vikings brought animals to England as early as the year 873
A chemical analysis of cremated remains offers physical evidence of the arrival of Norse animals to England in the ninth century.
- Archaeology
Mysterious marks on Ice Age cave art may have been a form of record keeping
Hunter-gatherers during the Ice Age may have recorded when prey mated and gave birth, suggesting that these people possessed complex cognitive skills
- Chemistry
Josep Cornella breaks boundaries to make new and better catalysts
Josep Cornella reinvents chemical reactions essential for agriculture and the pharmaceutical industry.
- Ecosystems
‘Fen, Bog & Swamp’ reminds readers why peatlands matter
In her latest book, author Annie Proulx chronicles people’s long history with peatlands and examines the ecological value of these overlooked places.
- Ecosystems
A Caribbean island gets everyone involved in protecting beloved species
Scientists on Saba are introducing island residents to conservation of Caribbean orchids, red-billed tropicbirds and urchins.
- Paleontology
This bizarre ancient critter has been kicked out of a group that includes humans
A wee sea creature without an anus was thought to be the oldest deuterostome. New imaging showing it had spines led to its reclassification.
- Animals
Mosquitoes prefer dozing over dining when they are sleep-deprived
Mosquitoes repeatedly shaken to prevent slumber lag behind well-rested ones when offered a researcher’s leg to feed on, new experiments show.
- Planetary Science
Ice at the moon’s poles might have come from ancient volcanoes
Volcanic eruptions billions of years ago probably released enough water vapor to have deposited ice at the lunar poles, a study finds.
- Animals
Baby marmosets may practice their first distinctive cries in the womb
Ultrasounds tracking fetal mouth movements in baby marmosets pinpoint the early development of the motor skills needed for vocalization.
