Noting a sharp rise in colorectal cancer among younger people, the American Cancer Society now suggests that healthy adults get their first screening five years earlier — at age 45.
Methane is a powerful greenhouse gas and livestock account for a lot of the gas produced in agriculture. In Kenya, climate scientists are experimenting with different types of feed to reduce the amount cows burp.
Scientists found that exposing rice to high levels of carbon dioxide causes it to lose valuable nutrients like iron, zinc, and B vitamins. But some varieties are better at resisting than others.
A study of patients with low back pain finds that those who got physical therapy first needed fewer pricey scans and surgeries and had "significantly lower out-of-pocket costs" for treatment overall.
For more than 150 years, scientists have known that levees increase flood risk on the Mississippi River. That hasn't stopped local officials from building up levees in response to more severe floods.
A working group convened by the National Institutes of Health looked at where chimps that had been used in research should live now. Unless relocating chimps would endanger them, a sanctuary is best.
A study finds that washing dishes is a big deal for women when it comes to the division of labor. But it taps into an even bigger idea — that women are emotionally exhausted by household management.