Consumer Reports: How much water do you need to stay hydrated?

BUT HOW MUCH WATER DO YOU ACTUALLY NEED ... MOST MEN NEED ABOUT 15.5 CUPS OF FLUIDS A DAY, AND ABOUT 11 AND ONE THIRD CUPS FOR WOMEN. BUT HERE’S THE GOOD NEWS IF YOU CAN’T STOMACH DRINKING ... Read More

This week in science: Pompeiian frescoes, dark energy and the largest marine reptile

CARLSON: Though both she and Dillon say we need a lot more data to know exactly what's going on here ... you. CARLSON: Thank you so much. KELLY: That is Emily Kwong and Rachel Carlson from NPR ... Read More

Morning news brief

Arizona Supreme Court allows a near-total abortion ban to take effect soon. EPA limits the amount of PFAS in drinking water. President Biden will welcome Japan's prime minister to the White House. Read More

Happy Arbor Day! These 20 books will change the way you think about trees

Trees communicate. They migrate. They protect. They heal. We climbed into the NPR archives to find some of our favorite arboreal fiction, nonfiction, and kids' lit — get ready to branch out. Read More

Technology News

built on questionable science and backed by police-aligned experts An investigation led by The Associated Press has found that the practice of giving sedatives to people detained by police has ... Read More

Do You Really Need to Drink 8 Glasses of Water a Day? How to Stay Properly Hydrated

There's a lot of advice out there about how much ... you don't have an active job but you do exercise a lot -- whether in the gym or through recreational activities -- you also need more water ... Read More

Do You Need to Use Toothpaste?

These contrarians see sense in brushing but aren’t sure whether the paste is really necessary. And it’s not just laypersons ... “While toothpaste manufacturers claim that you need toothpaste to brush ... Read More

About Science News

For almost a century, Science News journalists have covered advances in science, medicine and technology for the general public ... are accountable for all we do. We don’t pay for interviews ... Read More