Uncategorized
- Animals
Year in review: New dates, place proposed for dogs’ beginnings
This year’s dog research suggested older origins and a new location of domestication for man's best friend.
- Humans
Year in review: Native Americans are Kennewick kin
Ancient DNA identified 8,500-year-old Kennewick Man as a Native American relative.
- Genetics
Year in review: Fluke extinction surprises lab
A die-off of bacteria in a carefully controlled lab experiment offered an evolutionary lesson this year: Survival depends not only on fitness but also on luck.
- Neuroscience
Year in review: Gaps in brain nets might store memories
Holes in nets that surround nerve cells may store long-term memories, scientists proposed this year.
- Math
Year in review: New algorithm quickly spots identical networks
In what may be a once-in-a-decade advance, a computer scientist claimed to have devised an algorithm that efficiently solves the notorious graph isomorphism problem.
- Health & Medicine
Year in review: Ebola vaccines on the way
After more than a year of furiously developing and testing potential Ebola vaccines, two candidates have risen to the top and may soon be available for use.
- Animals
Forgetful male voles more likely to wander from mate
Poor memory linked to a hormone receptor in the brain could make male prairie voles more promiscuous.
- Planetary Science
Comets-spewing-oxygen club gets new member
Halley’s comet becomes possibly the second comet known to be carting around oxygen buried since the formation of the solar system.
- Climate
195 nations approve historic climate accord
The Paris climate talks end with delegates from 195 nations releasing a hard-fought agreement to curb climate change and limit warming to 2 degrees Celsius.
- Cosmology
Debate grows over whether X-rays are a sign of dark matter
The dwarf galaxy Draco, which is chock-full of dark matter, doesn’t emit a band of X-rays that researchers hoped were produced by the mysterious invisible stuff.
- Life
To push through goo, use itty, bitty propellers
Newly designed micropropellers mimic bacteria to move through viscous surroundings.
- Planetary Science
It’s a new planet! It’s an unknown star! It’s — oops!
A couple of unexpected wandering points of light in the sky could be new planets or even a dim star orbiting the sun, but researchers have plenty of reasons to be skeptical.
