Dementia affects one-third of all people older than 65 years in the United States. The most common cause of dementia is Alzheimer’s disease, a progressive, irreversible brain disease that results in…
Poor sleep is often regarded as a modern affliction linked to our sedentary lifestyles, electric lighting and smartphones on the bedside table. However, new research suggests that fitful sleep could…
No bells tolled when the last Catarina pupfish on Earth died. Newspapers didn’t carry the story when the Christmas Island pipistrelle vanished forever. Two vertebrate species go extinct every year…
The study of ancient human DNA has not been an equal opportunity endeavor. Early Europeans and Asians have had portions of their genomes sequenced by the hundreds over the past…
After observing the mating habits of chacma baboons living in the wild over a four-year period, researchers have found that males of the species often use long-term sexual intimidation to…
The asteroid that hit Earth 66 million years ago spelled disaster for the dinosaurs. But scientists say they’ve found one silver lining to the mass extinction — turns out, it…