Penn and Genographic Project Scientists Illuminate the Ancient History of Circumarctic Peoples

An international team of researchers has discovered how adding trace amounts of water can tremendously speed up chemical reactions-such as hydrogenation and hydrogenolysis-in which hydrogen is one of the reactants, or starting materials.

Imagine reading an entire book, but then realizing that your glasses did not allow you to distinguish “g” from “q.” What details did you miss? - Geneticists faced a similar problem with the recent discovery of a “sixth nucleotide” in the DNA alphabet.

A new study published by researchers at the Perelman School of Medicine at the University of Pennsylvania , the Broad Institute, and Massachusetts General Hospital, challenges the conventional concept that raising a person's HDL levels (good cholesterol) will always help lower their risk of a heart attack.

In the first study of its kind in Australasia, scientists have used 27 natural climate records to create the first large-scale temperature reconstruction for the region over the last 1000 years.

Suicides by psychiatric in-patients have fallen to a new low, research published today (Thursday) has found.

One-letter switches in the DNA code occur much more frequently in human genomes than anticipated, but are often only found in one or a few individuals.

Scientists at The University of Nottingham have opened the way for more accurate research into new ways to fight dangerous bacterial infections by proving a long-held theory about how bacteria communicate with each other.

Targeted drug delivery is one of the more enticing applications of nanotechnology; by designing pharmaceuticals on an atomic scale, engineers hope to get them attacking diseases with newfound precision and efficiency.

An analysis of the brains of military personnel exposed to bomb blasts or concussive injuries, combined with experiments simulating the effect of blasts on the brain, suggests how soldiers could be better protected from improvised explosive devices (IEDs).

Edinburgh scientists have joined a global team to solve a 150-year-old scientific mystery.