An online contest for data scientists has produced a great leap forward in efforts to predict when someone with epilepsy is going to have a seizure. The winning team used data on electrical activity in the brain to develop an algorithm that predicted seizures 82 percent of the time.
There's a simple test that scientists could use to make sure the cells they're studying in the lab are what they think they are. But most of the time, academic scientists don't bother.
That omission is a problem. One study found that between 18 percent and 36 percent of all cell lines have been misidentified. And this kind of mistaken identity is one reason that many results from experiments run in scientific labs can't be reproduced elsewhere.
It was the first time a living Nobel Prize recipient had ever sold his medal. And now scientist James Watson, 86, will hang on to the medal he won for his work on DNA, after a Russian billionaire who bought the medal for $4.75 million at auction says he wants Watson to keep it.
It's a sunny autumn afternoon and a good time to make apple crisp at Pathstone Living, a memory care facility and nursing home in Mankato, Minn. Activities staffer Jessica Abbott gathers half a dozen older women at a counter in the dining area, where the soundtrack is mostly music they could have fox-trotted to back in the day.
White tailed deer are so common in Washington, D.C., that my kids barely take note, even if I have to slam on the brakes to avoid hitting them.
But the National Park Service says there's a problem beyond the risk of driver-deer collisions, which lead to an estimated $4 billion in damages each year. The overabundance of deer are a threat to native vegetation.
We human beings are curious by nature. Since the time we first began gathering around campfires to ward off the terrors of the night, some questions have haunted us like stubborn ghosts.
Many of these great unknowns have fallen under the weight of passing millennia and the advance of technology. We moderns now know why the ground shakes in an earthquake and why the sky rumbles in a thunderstorm.
Antipsychotic drugs have helped many people with serious mental illnesses like schizophrenia or bipolar disorder. But for older people with Alzheimer's or other forms of dementia, they can be deadly. The Food and Drug Administration has given these drugs a black box warning, saying they can increase the risk of heart failure, infections and death. Yet almost 300,000 nursing home residents still get them.
Signs of water currents and sediments are seen in the latest photos NASA's Curiosity rover sent home from Mars, the space agency said Monday. The images suggest "ancient Mars maintained a climate that could have produced long-lasting lakes," NASA says.
In the huge Gale Crater where Curiosity has been exploring, the water and sediment flow might have been massive enough to build a mountain — the 3-mile-high Mount Sharp — NASA researchers say. But they acknowledge that they're still working to solve the mystery of how the mountain formed in a crater.