Researchers have found that it is possible to assess a person’s ability to feel empathy by studying their brain activity…
How too much fluoride causes defects in tooth enamel
Exposing teeth to excessive fluoride alters calcium signaling, mitochondrial function, and gene expression in the cells forming tooth enamel —…
Time of day affects global brain fluctuations
As the day progresses, the strength of the brain’s global signal fluctuation shows an unexpected decrease, according to a new…
Late fall may be best time of year to try to conceive
First-of-its-kind study accounts for when couples are most likely to start trying to conceive, finding couples conceive quicker in late…
Stress in small children separated from their parents may alter genes
Several studies show that small children cared for outside the home, especially in poor quality care and for 30 or…
Reproductive genome from the laboratory
Researchers have for the first time developed a genome the size of a minimal cell that can copy itself.
Later school start times reduce car crashes, improve teen safety
A study found that later school start times were associated with a significant drop in vehicle accidents involving teen drivers.
Memory games: Eating well to remember
A healthy diet is essential to living well, but should we change what we eat as we age? Researchers have…
Masking the memory of fear: Treating anxiety disorders such as PTSD with an opioid
While fear memory — or the ability to remember contexts in which to be afraid — is important for survival,…
How malaria detects and shields itself from approaching immune cells
Malaria parasites can sense a molecule produced by approaching immune cells and then use it to protect themselves from destruction,…