Humans
- Environment
Back off the bacon and cold cuts?
Here’s how to make sense of the World Health Organization report that has just linked certain meats to a dangerous cancer.
- Health & Medicine
Allergies linked to obesity and heart risks
Children and teens with asthma, allergies or other autoimmune conditions tend to be overweight and show symptoms of heart-disease risks, a new study finds.
- Animals
Do dogs have a sense of self?
Dogs don’t know their own reflections in a mirror, but they do recognize themselves from the scent of their own urine, a new study finds.
- Science & Society
The most important stories of 2015
From Pluto to gene editing, the year saw a number of notable research discoveries, advances and insights.
- Health & Medicine
Scientists Say: Umami
What’s the word for something savory? Umami is a taste, and is often described as being meaty.
- Health & Medicine
The most popular stories of 2015
Our readers love to read about health and wellness. Check out which stories were most popular.
- Environment
Brain damage seen in potent-marijuana smokers
Brain scans of people smoking potent forms of pot showed abnormalities in white matter. Studies have not yet looked to see if these changes are also linked with changes in memory, risk of depression or other types of harm.
- Animals
Algal poison can harm sea lion memory
Sea lions exposed to toxic algae can experience seizures and brain damage. New research shows that the toxin also causes impairments to memory.
- Brain
Meditation may boost teen memory
Teens who trained in a practice called mindfulness meditation saw improvements in their ability to remember things.
- Brain
Bubbles may underlie trauma’s brain injury
Many soldiers and accident victims sustain traumatic brain injury that can affect memory, thinking and body movements. New research now studies whether tiny bubbles caused by pressure waves may trigger that damage.
- Agriculture
New gene resists our last-ditch drug
Antibiotic resistance continues to grow. Now, scientists have found a tiny loop of DNA that resists a drug doctors use as a last line of defense.
- Health & Medicine
Too many Facebook friends?
Can you have too many Facebook friends? Maybe so, says a new study. It links heavy Facebook use to levels of a stress hormone called cortisol.
