Notebook
- Ecosystems
Just 1 percent of Amazon’s trees hold half of its carbon
Roughly 1 percent of tree species in the Amazon rainforest account for half of the jungle’s carbon storage.
- Neuroscience
Brain on display
In her online videos, Nancy Kanwisher goes where few other neuroscientists go.
- Astronomy
Lit-up gas clouds hint at galaxies’ violent pasts
Voorwerpjes, tendrils of gas that orbit galaxies, continue to glow tens of thousands of years after being blasted with ultraviolet radiation.
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- Animals
When mom serves herself as dinner
For this spider, extreme motherhood ends with a fatal family feast.
- Animals
Whether froglets switch sexes distinguishes ‘sex races’
Rana temporaria froglets start all female in one region of Europe; in another region, new froglets of the same species have gonads of either sex.
- Psychology
Big ears don’t necessarily come with baggage
In a small study, adults judged children and teens with big ears as intelligent and likable.
- Planetary Science
Before moon landings, scientists thought dust or crust might disrupt touchdown
Moon dust didn’t swallow spacecraft as was suggested in the 1960s. Successful exploration since that has changed our view of the moon.
- Climate
Onshore hurricanes in a slump
No major hurricanes have made landfall in the United States for over nine years. That’s a rare occurrence, new research shows.
- Life
‘Geographic tongue’ creates unique topography
A condition called ‘geographic tongue’ makes mouth organ appear maplike.
- Health & Medicine
Why cancer patients waste away
A tumor-produced protein that interferes with insulin causes wasting in fruit flies with cancer.
- Physics
Rubidium atoms used to record coldest temperature — ever
A swarm of rubidium atoms has been cooled to about 50 trillionths of a kelvin, making it the coldest substance ever measured.
