Uncategorized
- Oceans
Castaway critters rafted to U.S. shores aboard Japan tsunami debris
Researchers report finding 289 living Japanese marine species that washed up on American shores on debris from the 2011 East Japan earthquake and tsunami.
- Climate
Tropical forests have flipped from sponges to sources of carbon dioxide
Analyses of satellite images suggest that degraded forests now release more carbon than they store.
- Genetics
Ancient boy’s DNA pushes back date of earliest humans
Genes from South African fossils suggest humans emerged close to 300,000 years ago.
By Bruce Bower - Genetics
A mutation may explain the sudden rise in birth defects from Zika
A mutation in a protein that helps Zika exit cells may play a big role in microcephaly.
- Physics
Trio of detectors tracks gravitational waves to their home
LIGO and Virgo spot spacetime ripples in their first joint detection.
- Tech
Origami outfits help these bots change tasks swiftly
These robots change shape by slipping into different origami exoskeletons.
- Paleontology
This giant marsupial was a seasonal migrant
A new analysis suggests that Diprotodon optatum, a giant plant-eating marsupial that went extinct about 40,000 years ago, migrated long distances, much like today’s zebras and wildebeests.
- Animals
To test sleep, researchers don’t let sleeping jellyfish lie
Upside-down jellyfish are the first known animals without a brain to enter a sleeplike state.
- Physics
Turning up the heat on electrons reveals an elusive physics phenomenon
Heating a strip of platinum creates a “spin current” in the material’s electrons due to the spin Nernst effect.
- Health & Medicine
About 1 in 5 teens has had a concussion
Almost 20 percent of U.S. teens have had at least one diagnosed concussion in the past, an analysis of a 2016 national survey finds.
- Anthropology
Neandertal kids were a lot like kids today — at least in how they grew
Ancient youngster’s spine and brain grew at relatively slow pace.
By Bruce Bower - Health & Medicine
From day one, a frog’s developing brain is calling the shots
Frog brains help organize muscle and nerve patterns early in development.