Feature
- Microbes
The year in microbiomes
This year, scientists pegged microbes as important players in several aspects of human health, including obesity and cancer.
By Meghan Rosen - Science & Society
Ebola, Rosetta, e-cigarettes and more top stories of 2014
West Africa’s Ebola epidemic captured the attention of both the scientific world, and the world at large in 2014, placing it first among the Top 25 stories of the year.
- Science & Society
Science’s good, bad, ugly year
In the race for Top Science Story of 2014, some of the contenders stumbled before reaching the finish line.
- Microbes
Year in review: Science faces Ebola epidemic
West Africa’s 2014 Ebola epidemic showed what can happen when a contagious virus emerges where cultural practices, public fears and porous borders fuel the spread of disease.
By Nathan Seppa - Astronomy
Year in review: Dust obscures possible gravitational wave discovery
A possible signal from moments after the Big Bang may be due to dust in the Milky Way galaxy.
- Humans
Year in review: Old humans reveal secrets
DNA of the oldest modern humans is rewriting the prehistories of Europe, Siberia and the Americas.
- Planetary Science
Year in review: Rosetta mission hits its target
The Rosetta spacecraft and its lander Philae are providing an intimate look at the life of comet 67P/Churyumov-Gerasimenko.
- Neuroscience
Year in review: Memories vulnerable to manipulation
New experimental results in 2014 helped bring scientists closer to understanding how the brain manipulates memories to make sense of the world.
- Astronomy
Year in review: Kepler gets second chance at life
This year, Kepler engineers figured out how to stabilize the almost-defunct Kepler telescope, while astronomers found hundreds more worlds.
- Health & Medicine
Year in review: Risks of e-cigarettes emerge
Electronic cigarettes dispense water vapor laced with flavors and often a hefty dose of nicotine. These vapors may be far from benign, studies in 2014 suggested.
By Janet Raloff - Neuroscience
Year in review: Young blood aids old brains
Ingredients in young blood can rejuvenate old mice’s bodies and brains, scientists reported in 2014.
- Health & Medicine
Year in review: Gut reacts to artificial sweeteners
Saccharin messes with the body’s ability to metabolize fuel, a condition that often precedes diabetes, obesity and other metabolic problems.