Life
- Neuroscience
‘Speed cells’ found in rats’ brains
Newly discovered “speed cells” clock rats’ swiftness.
- Animals
Feeding seabirds may give declining populations a boost
Supplementing the diets of kittiwakes with additional food might give fledglings a head start, a new study finds.
- Neuroscience
Putting time’s mysteries in order
Investigating both the orderly and disorderly dimensions of time provides the focus for a special issue of Science News.
- Earth
Bringing mammoths back, life on early Earth and more reader feedback
Readers debate the pros and cons of reviving extinct species, discuss the odd light-processing machinery of the eye and more.
- Neuroscience
Special Report: Dimensions of Time
Science News writers report on the latest scientific investigations into time’s place in the physical, biological and mental worlds.
- Neuroscience
How the brain perceives time
To perceive time, the brain relies on internal clocks that precisely orchestrate movement, sensing, memories and learning.
- Genetics
Enormous quantities may soon be called ‘genomical’
Genetic data may soon reach beyond astronomical proportions.
- Paleontology
50-million-year-old fossil sperm discovered
Ancient worm sperm preserved in 50-million-year-old cocoons from Antarctica set age record.
- Life
The origin of biological clocks
Most of Earth’s creatures keep time with the planet’s day/night cycle. Scientists are still debating how and why the circadian clocks that govern biological timekeeping evolved.
- Animals
Some animals’ internal clocks follow a different drummer
Circadian clocks in some animals tick-tock to a different beat.
- Anthropology
Tooth, jaw fossils tell tale of North America’s last nonhuman primates
Oregon fossils provide new clues to North America’s last nonhuman primates.
- Genetics
Genetic switch wipes out tumors in mice
By switching on a single gene, researchers turned cancer cells in mice back into normal intestinal tissue.
