Uncategorized
- Astronomy
The latest picture of a black hole captures Centaurus A’s massive jets
Data from the Event Horizon Telescope reveal new details of jets spewing from the supermassive black hole at the center of the galaxy Centaurus A.
- Animals
Climate change may be leading to overcounts of endangered bonobos
A changing climate in Congo is affecting how scientists count bonobos’ nests, possibly skewing estimates of the great ape population, a study suggests.
- Humans
Only a tiny fraction of our DNA is uniquely human
Some of the exclusively human tweaks to DNA may have played a role in brain evolution.
- Planetary Science
Lakes of liquid water at Mars’ southern ice cap may just be mirages
In 2018, scientists found evidence for water lakes sitting beneath the southern Martian ice cap. New evidence suggests the lakes might not exist.
- Health & Medicine
Human cells make a soaplike substance that busts up bacteria
Nonimmune cells can fight off pathogens by releasing a detergent-like molecule that dissolves bacterial membranes.
- Science & Society
What 20th century science fiction got right and wrong about the future of babies
A century of science has pushed the boundaries of human reproduction even beyond writers’ imaginations.
- Paleontology
Insects had flashy, noise-making wings as early as 310 million years ago
The structure of a grasshopper-like insect’s fossilized wing suggests it crackled and reflected light, perhaps to attract mates or warn off predators.
- Health & Medicine
Millions of kids have missed routine vaccines thanks to COVID-19
Missed shots due to the pandemic may have cut vaccination rates for measles, diphtheria, tetanus and pertussis to their lowest levels in over a decade.
- Animals
Would dogs return the favor if you gave them treats? It’s complicated
An experiment in which dogs did not reciprocate food giving with humans may reveal something about the dogs, or about how science is done.
- Animals
Climate change may rob male dragonfly wings of their dark spots
Less colorful, cooler wings may be advantageous to dragonflies in a warmer world. But the change could mess with the insects’ mating.
- Earth
Mixing trees and crops can help both farmers and the climate
Agriculture is a major driver of climate change and biodiversity loss. But integrating trees into farming practices can boost food production, store carbon and save species.
- Animals
Froghoppers are the super-suckers of the animal world
To feed on plant xylem sap, a nutrient-poor liquid locked away under negative pressure, froghoppers have to suck harder than any known creature.
