Uncategorized
- Plants
Fossil fern showcases ancient chromosomes
Fossil nuclei and chromosomes seen in a 180-million-year-old fern reveals that the plants have stayed mostly the same.
- Life
Human noses know more than 1 trillion odors
Sense of smell displays a vast reach in study of people’s ability to distinguish between scents.
- Climate
Climate change may spread Lyme disease
The territory of the ticks that transmit Lyme disease is growing as the climate warms.
- Paleontology
The dinosaur ‘chicken from hell’
Fossils suggest that a supersized chickenlike reptile called Anzu wyliei roamed what are now the Dakotas roughly 67 million years ago.
- Life
Vitamin A deficit in the womb hurts immune development
Mice deprived of vitamin A in utero grow up with undersized immune organs.
- Animals
Like a boomerang, relocated python comes back again
Burmese pythons, which have invaded the Everglades, can find their way home when people move them dozens of kilometers.
- Genetics
Early Polynesians didn’t go to Americas, chicken DNA hints
Contamination of ancient chicken DNA may explain previous report linking Polynesians to South America.
- Math
Our Mathematical Universe
Math is everywhere: medicine, sports, banking, gambling, National Security Agency espionage.
- Genetics
Giant moa thrived before people reached New Zealand
Humans probably caused the extinction of giant wingless birds called moa in New Zealand, DNA evidence suggests.
- Space
Exoplanet oxygen may not signal alien life
Oxygen in an exoplanet atmosphere may come from water and ultraviolet light, not alien life.
- Cosmology
Gravitational waves unmask universe just after Big Bang
For the first time, researchers have seen traces of superfast cosmic expansion and gravity waves.
- Physics
A tractor beam reels in objects with sound
A tractor beam of focused sound waves has pulled on an object as large as a Toblerone chocolate bar.
