All Stories by Freda Kreier
- Neuroscience
How smart was T. rex?
A debate over how to count neurons in dinosaurs is raising questions about how to understand extinct animals’ behavior.
- Paleontology
The real culprit in a 19th century dinosaur whodunit is finally revealed
Contrary to the stories handed down among paleontologists, creationism wasn’t to blame for the destruction of Central Park’s dinosaurs.
- Animals
RNA editing helps octopuses cope with the cold
California two-spot octopuses tweak the proteins they make, potentially to help maintain brain function when temperatures dip.
- Humans
Oldest traces of a dysentery-causing parasite were found in ancient toilets
Scientists have found traces of giardia in two toilets used by wealthy residents of Jerusalem in the 7th and 6th century B.C.
- Life
Large predators push coyotes and bobcats near people and to their demise
Coyotes and bobcats hide near people when wolves, cougars and other large predators are close-by, putting the smaller carnivores at a higher risk of dying at human hands.
- Life
In one lake deep under Antarctica’s ice, microbes feast on ancient carbon
Microorganisms living in a lake beneath the ice sheet in West Antarctica feed on ocean carbon that was deposited 6,000 years ago.
- Animals
Why some hammerhead sharks seem to ‘hold their breath’ during dives
Scalloped hammerhead sharks in Hawaii seem to limit the use of their gills during deep dives to prevent losing heat to their surroundings.
- Animals
Pregnancy may hamper bats’ ability to ‘see’ in the dark
Tiny Kuhl’s pipistrelle bats make fewer calls when pregnant, which may make it more difficult to hunt prey, lab tests hint.
- Life
How some beetles ‘drink’ water using their butts
Red flour beetles, a major agricultural pest, suck water out of the air using special cells in their rear ends, a new study suggests.
- Genetics
DNA from Beethoven’s hair hints at what killed the composer
Many historians suspect Beethoven died from liver failure. A new analysis shows he had a heightened genetic risk for liver disease, researchers say.
- Health & Medicine
A hormone shot helped drunk mice sober up quickly
Drunk mice injected with the hormone FGF21 woke up and regained their balance faster than inebriated mice that did not receive the shot.
- Life
Chemical signals from fungi tell bark beetles which trees to infest
As fungi break down defensive chemicals in trees, some byproducts act as signals to bark beetle pests, telling them which trees are most vulnerable.
