All Stories
- Cosmology
Speed of early universe’s expansion determined
The rate known as the Hubble constant is measured with great precision for the universe of 11 billion years ago.
By Andrew Grant - Astronomy
Diamond ring shape formed by dead and living stars
Abell 33 is a planetary nebula, the remains of a star, beautifully aligned with another star.
- Animals
Coquí frogs got smaller, squeakier as climate warmed
As temperatures climbed in Puerto Rico, the calls of male coquí frogs became higher pitched.
By Susan Milius - Tech
Soft robots go swimming
A new robotic fish can wiggle and writhe like the real thing.
By Meghan Rosen - Chemistry
This is what happens when you pee in the pool
Swimming pools are basically chemical toilets, but here’s why I’ll keep swimming.
- Life
Common lung infection suffocates with single protein
A Respiratory Syncytial Virus, or RSV, protein creates clumps of dead, bloblike lung cells.
By Beth Mole - Astronomy
El Gordo galaxy cluster as hefty as 3 million billion suns
The galaxy cluster El Gordo, which is Spanish for “the fat one," is roughly 43 percent more massive than earlier estimates.
- Animals
See-through shrimp flex invisible muscle
Much of the body of a Pederson’s transparent shrimp looks like watery nothing, but it’s a superhero sort of nothing.
By Susan Milius - Health & Medicine
Changes in kids’ genomes linked to chronic stress
In a study of 40 nine-year-old boys, kids from underprivileged backgrounds had telomeres that were 19 percent shorter than those of boys from more privileged environments.
- Health & Medicine
If your kid hates broccoli, try, try again
Repeated exposure to foods may be the antidote to picky eating.
- Physics
Meet Big Bird, highest-energy neutrino ever detected
Big Bird, the neutrino, struck the Antarctic ice with a record 2 million billion electron volts of energy.
- Paleontology
Ancient crustacean had elaborate heart
The now-extinct Fuxianhuia protensa had a fancy cardiovascular system that sent blood to its limbs and organs, including its brain.