Humans
We summarize the week's scientific breakthroughs every Thursday.
- Life
‘Geographic tongue’ creates unique topography
A condition called ‘geographic tongue’ makes mouth organ appear maplike.
- Health & Medicine
Same mutations can show up in tumors, healthy tissues
Analyzing samples of healthy and tumor tissues could pinpoint which mutations are driving cancer and help develop better-targeted treatments.
- Health & Medicine
Why cancer patients waste away
A tumor-produced protein that interferes with insulin causes wasting in fruit flies with cancer.
- Neuroscience
Nicotine exposure escalates rats’ desire for alcohol
Rats drink more alcohol after they’ve been hooked on nicotine.
- Health & Medicine
Genes may influence placebo effect
Certain gene variants may predispose people to experience the placebo effect, which may have implications for clinical trials and personalized medicine.
- Neuroscience
Marijuana component fights epilepsy
A buzz-free extract of marijuana could help epilepsy patients whose seizures resist other treatments.
- Science & Society
The Angelina effect should be about knowing your cancer risk
Angelina Jolie’s public message about her medical decisions related to cancer is about knowing your risks for disease, not hers.
- Psychology
Saying ‘I’ and ‘me’ all the time doesn’t make you a narcissist
People who utter lots of first-person singular pronouns such as "I" and "me" score no higher on narcissism questionnaires than peers who engage in little "I"-talk.
- Genetics
Contagious cancer found in clams
A soft-shell clam disease is just the third example of a contagious cancer.
- Genetics
Mummies tell tuberculosis tales from the crypt
Hungarian mummies contracted multiple strains of tuberculosis at the same time, researchers find.
- Anthropology
Beads suggest culture blocked farming in Northern Europe
Baltic hunter-gatherers blocked farming’s spread from south.
- Humans
Natural selection may be growing taller Dutch people
Over the past 200 years, natural selection may have driven the evolution of taller Dutch people, researchers posit.
