Week in Science: A colossal ocean hides beneath Mars's surface

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August 16—This week, Stonehenge's "Altar Stone" came from 500 miles away, cancer rates are rising in young people, and a giant ocean is hiding beneath Mars's surface. Enjoy! --Andrea Gawrylewski, Chief Newsletter Editor

Top Stories

Can Coffee's Effects on Appetite and Digestion Cause Weight Loss? A new generation of coffee concoctions on social media is putting the spotlight back on the drink's possible weight-loss effects Lori Youmshajekian

Cancer Rates Are Rising in Young People. Here's What You Need to Know Do you think you are too young to get screened for cancer? Think again. It might save your life Karen E. Knudsen, expert writer; Othman Laraki, expert writer

U.S. Wind and Solar Are on Track to Overtake Coal This Year Two renewable resources, wind and solar, together have produced more power than coal through July—a first for the U.S. Benjamin Storrow; E&E News

A custom publication sponsored by Davos Alzheimer's Collaborative New Digital Cognitive Tests Spot Dementia Warning Signs New digital cognitive tests detect early dementia signs, revolutionizing Alzheimer's screening with AI-powered, noninvasive methods.

Mars Hides Colossal Ocean Deep Below Its Surface An underground Martian ocean could hold enough liquid to cover the Red Planet with a mile of water Ben Turner; LiveScience

Meet Saturn's 'Death Star' Moon and the Intriguing Ocean It May Hide The possibility of liquid water beneath the surface of Saturn's moon Mimas may offer clues to how such seas form, and another spot to search for life Shannon Hall; Knowable Magazine

New U.N. Cybercrime Treaty Could Threaten Human Rights A recently adopted United Nations treaty could lead to invasive digital surveillance, human rights experts warn Kate Graham-Shaw

When Should Kids Get a Smartphone? Teens' use of smartphones has been blamed for all manner of societal ills. So when should parents take the plunge and equip their kids with these devices? Jacqueline Nesi, expert writer

Stonehenge's Strangest Rock Came from 500 Miles Away A new analysis of Stonehenge's "Altar Stone" suggests Neolithic people walked or sailed some 500 miles to transport the six-ton boulder Meghan Bartels

FDA's Rejection of MDMA Psychotherapy for Trauma Draws Criticism from Psychedelic Experts Many experts criticize the FDA's recent negative ruling on MDMA therapy for PTSD, saying the agency ignored solid overall results from clinical trials Rachel Nuwer

Into the Clear Blue Sky Offers Hope for Our Climate Future An interview with Rob Jackson about ending climate colonialism, inspiring polluter-pay policies and taking a path to a cleaner climate Brianne Kane

Invasive Joro Spiders Keep Their Cool Even when Stressed Compared with other arachnids, invasive Joro spiders are calm, cool and collected under stress, a new study shows Stephanie Pappas

West Nile Cases Are Rising. Here's How to Protect Yourself West Nile is the most common mosquito-borne disease in the U.S. Here's what to know about the infection Meghan Bartels

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