Uncategorized
- 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.
- 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.
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- Life
Common lung infection suffocates with single protein
A Respiratory Syncytial Virus, or RSV, protein creates clumps of dead, bloblike lung cells.
- 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.
- 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.
- Health & Medicine
Surgery museum holds wonders for the brave
Anatomical displays sit alongside art depicting medical history at the International Museum of Surgical Science.
- Earth
Tiny minerals may have shaped Earth’s first plate boundaries
Simulations link weakened rock minerals to the origin of plate tectonics on Earth.
- Science & Society
Millions of working mamas
It has been a long time since millions of American women working outside the home was big sociological news. Women are now 47 percent of the U.S. workforce.
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- Earth
Science can save lives, but only if society lets it
Society faces lots of problems that science can’t yet fix. But there are also plenty of cases in which scientists know enough to avert tragedy.
