News tagged with national academy of sciences

Related topics: proceedings of the national academy of sciences




Do salamanders hold the solution to regeneration?

Salamanders' immune systems are key to their remarkable ability to regrow limbs, and could also underpin their ability to regenerate spinal cords, brain tissue and even parts of their hearts, scientists have ...

Medical research created 14 hours ago | popularity 4.8 / 5 (6) | comments 2 | with audio podcast

Gut microbe battles obesity

(Medical Xpress)—Akkermansia muciniphila is one of the many microbes that live in our intestines. This bacterium, which feeds on the intestine's mucus lining, comprises between 3 and 5 percent of the gut microbes of hea ...

Medical research created May 14, 2013 | popularity 4.8 / 5 (11) | comments 0 | with audio podcast report

Body clocks of depressed people altered at cell level, researchers show

Every cell in our bodies runs on a 24-hour clock, tuned to the night-day, light-dark cycles that have ruled us since the dawn of humanity. The brain acts as timekeeper, keeping the cellular clock in sync ...

Medical research created May 13, 2013 | popularity 4 / 5 (19) | comments 4 | with audio podcast

Human brain frontal lobes not relatively large, not sole center of intelligence

Human intelligence cannot be explained by the size of the brain's frontal lobes, say researchers.

Neuroscience created May 13, 2013 | popularity 4.9 / 5 (9) | comments 4 | with audio podcast

Boosting 'cellular garbage disposal' can delay the aging process, research shows

(Medical Xpress)—UCLA life scientists have identified a gene previously implicated in Parkinson's disease that can delay the onset of aging and extend the healthy life span of fruit flies. The research, ...

Genetics created May 06, 2013 | popularity 4.8 / 5 (18) | comments 1 | with audio podcast

Heroin vaccine blocks relapse in preclinical study

Scientists at The Scripps Research Institute (TSRI) have reported successful preclinical tests of a new vaccine against heroin. The vaccine targets heroin and its psychoactive breakdown products in the bloodstream, preventing ...

Medical research created May 06, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Effects of stress on brain cells offer clues to new anti-depressant drugs

Research from King's College London reveals the detailed mechanism behind how stress hormones reduce the number of new brain cells - a process considered to be linked to depression. The researchers identified a key protein ...

Neuroscience created May 06, 2013 | popularity 3.9 / 5 (7) | comments 0 | with audio podcast

Scientists create personalized bone substitutes from skin cells

A team of New York Stem Cell Foundation (NYSCF) Research Institute scientists report today the generation of patient-specific bone substitutes from skin cells for repair of large bone defects. The study, led by Darja Marolt, ...

Medical research created May 06, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Size, wiring of brain structures in kids predict benefit from math tutoring, study says

(Medical Xpress)—Why do some children learn math more easily than others? Research from the Stanford University School of Medicine has yielded an unexpected new answer.

Neuroscience created Apr 29, 2013 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Decoding 'noisy' language in daily life: Study shows how people rationally interpret linguistic input

Suppose you hear someone say, "The man gave the ice cream the child." Does that sentence seem plausible? Or do you assume it is missing a word? Such as: "The man gave the ice cream to the child."

Psychology & Psychiatry created Apr 29, 2013 | popularity 4.5 / 5 (4) | comments 7 | with audio podcast

Study identifies key shift in the brain that creates drive to overeat

A team of American and Italian neuroscientists has identified a cellular change in the brain that accompanies obesity. The findings could explain the body's tendency to maintain undesirable weight levels, rather than an ideal ...

Medical research created Apr 29, 2013 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Neuroscientists use statistical model to draft fantasy teams of neurons

This past weekend teams from the National Football League used statistics like height, weight and speed to draft the best college players, and in a few weeks, armchair enthusiasts will use similar measures ...

Neuroscience created Apr 29, 2013 | popularity 4 / 5 (5) | comments 0 | with audio podcast

'Clean' your memory to pick a winner, study says

Predicting the winner of a sporting event with accuracy close to that of a statistical computer program could be possible with proper training, according to researchers. In a study published today, experiment ...

Psychology & Psychiatry created Apr 22, 2013 | popularity 4.8 / 5 (8) | comments 3 | with audio podcast

Team finds antibody that transforms bone marrow stem cells directly into brain cells

In a serendipitous discovery, scientists at The Scripps Research Institute (TSRI) have found a way to turn bone marrow stem cells directly into brain cells.

Medical research created Apr 22, 2013 | popularity 5 / 5 (11) | comments 2 | with audio podcast

Discovery of circadian clock in mice hair reveals period of time when damage from radiotherapy can be quickly repaired

Discovering that mouse hair has a circadian clock - a 24-hour cycle of growth followed by restorative repair - researchers suspect that hair loss in humans from toxic cancer radiotherapy and chemotherapy ...

Medical research created 13 hours ago | popularity 5 / 5 (2) | comments 1 | with audio podcast