A Knotty Problem Solved
We know that some knots hold better than others, but the why of it hasn't been so clear. Special fibers that change color under strain are providing some answers.
Science
Effort To Control Opioids In An ER Leaves Some Sickle Cell Patients In Pain
People with sickle cell disease aren't fueling the opioid crisis, research shows. Yet some ER doctors still treat patients seeking relief for agonizing sickle cell crises as potential addicts.
How Does The Way You Feel Shape The Way You Think About Your Life?
A recent study found students may inadvertently choose their college major, in part, based on how tired they were in the subject's introductory course — especially if it was an early morning class.
Researchers Have Found A Way To Improve TB Vaccine
The vaccine for tuberculosis has been around since the 1920s but it doesn't work very well. A new study shows that the vaccine could be far more effective if given at higher doses, intravenously.
In Australia Wildfires, Scenes Of Smoke, Sparks And Chaos
Fires are blazing across southeast Australia. Scenes of smoke, sparks and blazing red capture the destruction happening in towns around the country.
Start Fresh: 6 Tips For Emotional Well-Being In 2020
Joy can be cultivated. Hostility often masks depression. As one year ends and another begins, these six insights and tips from psychologists offer hope for a good new year.
Reporters Pick Their Favorite Global Stories Of The Decade
The topics range from a ticking time bomb in the Arctic to the art of taking selfies in an ethical way. Here are the stories selected by our contributors.
Chinese Scientist He Jiankui Sentenced To 3 Years In Prison For Editing Human Genes
Chinese scientist He Jiankui has been sentenced to three years in prison for conducting gene-editing experiments on human embryos.
Dinosaurs Come Back To Life At The Smithsonian (Rebroadcast)
Life uh, uh, uh, finds a way.
Chinese Researcher Who Created Gene-Edited Babies Sentenced To 3 Years In Prison
He Jiankui announced in November 2018 that he had created the world's first gene-edited babies. Scientists are concerned about unintended side effects that could be passed down to future generations.