The Indian Ocean played a far greater role in driving climate change during the last ice age than previously believed…
Length of eye blinks might act as conversational cue
Blinking may feel like an unconscious activity, but new research suggests that humans unknowingly perceive eye blinks as nonverbal cues…
Teens get more sleep with later school start time, researchers find
In 2016, Seattle Public Schools pushed back start times for its 18 high schools by 55 minutes. Researchers have now…
DNA study shows stethoscopes loaded with bacteria, including staphylococcus
Stethoscopes carried by health care practitioners are loaded with diverse bacteria, including some that can cause healthcare-associated infections, according to…
How bullying affects the structure of the teen brain
The effects of constantly being bullied are more than just psychological. Research now shows that there may be physical structural…
Subway train travel linked to spread of flu-like illnesses
Despite the commuter cold being a widely accepted concept, it has never been proven that public transport contributes to the…
Crashes increase when speed limits dip far below engineering recommendation
Speed limits set only five miles per hour below engineering recommendations produce a statistically significant decrease in total, fatal and…
Resting easy: Oxygen promotes deep, restorative sleep
Exposure to high levels of oxygen encourages the brain to remain in deep, restorative sleep, according to a new study.
Clue to epidemics in ‘bursty’ social behavior
Researchers have developed a mathematical model that could cure the potential to underestimate how quickly diseases spread. The team discovered…
Flows that help bacteria feed and organize biofilms
Figuring out how bacteria bring in nutrients could point to ways of killing them without poison. More generally, this research…