LONDON — For three years, Connie McPherson had debilitating leg ulcers that were so painful she sometimes couldn’t sleep. Despite repeated surgery, antibiotics, steroids and other treatments, nothing helped.

Swiss scientist Michael Graetzel wins €800,000 technology prize for cheap solar cells

8 scientists winners of lucrative Kavli Prizes in astronomy, neuroscience and nanoscience

OSLO, Norway — Eight scientists from the U.S., Britain and Germany shared three awards worth $1 million each on Thursday for work that has helped humans explore distant corners of the universe and the tiniest particles on Earth.

8 scientists share $1 million Kavli Prizes in astronomy, neuroscience and nanoscience

Not quite new life but a step that way: Scientists make a synthetic cell using manmade DNA

UN study finds some evidence of cell phone link to cancer _ but results inconclusive

Study on cell phone link to cancer inconclusive

Scientists’ DNA testing shows Japanese whale meat illegally surfacing at sushi bars elsewhere

Oregon scientists’ DNA testing of whale meat offers evidence of illegal trade from Japan

DNA decoded from human ancestor in Siberia; analysis may indicate new member of family tree

New ancestor? Scientists ponder DNA from Siberia

Rare fossil helps scientists trace ancestry of polar bears to brown bears

Polar bears found to descend from brown bears

With help from Archbishop Tutu’s DNA, scientists show wide genetic variation among Africans

Archbishop Tutu’s DNA helps show African diversity

After 4,000 years, DNA suggests ancient Greenland man had risk of baldness and even dry earwax

DNA suggests even ancient man had baldness issues

Study: Kids with ADHD more likely to have missing or extra DNA in their brains

British scientists develop gel that could speed healing of chronic wounds, ulcers and injuries