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How Much Protein Do You Need? Experts Explain

Every AI Breakthrough Shifts the Goalposts of Artificial General Intelligence

RFK, Jr., Releases Report Attacking Medical Care for Trans Children

RFK, Jr., Says Peanut Allergies May Be Tied to Aluminum in Vaccines and Pesticides. Here’s What the Science Says

NASA’s New Images Reveal Best Look Yet at Interstellar Comet 3I/ATLAS

Kissing May Have Evolved 21.5 Million Years Ago in Ancestor of Great Apes and Humans

Massive Study Debunks One of RFK Jr’s Biggest Claims about Fluoride in Tap Water

The James Webb Telescope May Have Seen the First Stars in the Universe

Epstein Files Spark Harvard Investigation into Larry Summers

Investigators Think They’ve Solved the Mystery of the Baltimore Bridge Crash

After Spectacular Auroras, What to Know about the Sun and Its Solar Cycle

How Safe Is Melatonin, and How Does the Sleep Aid Work? Experts Explain

These Birds Learned to Tweet Like R2-D2. Listen to the Uncanny Results

Gut Health Tips for Thanksgiving and Holiday Stress

Five Essential Books on Plastic, Power, and Pollution

How Is Botulism Getting into Baby Formula? Here’s How to Keep Kids Safe

Why a Little Heartbeat Irregularity Can Be Good for You

We Need Laws to Stop AI-Generated Deepfakes

Science Crossword: A Destructive Fix

Science Bleeds When It’s Cut

Readers Respond to the July/August 2025 Issue

Poem: ‘The Covert Herbarium of Cryptogamic Botany’

New Pill Can Save Moms from Postpartum Depression within Days

NASA’s Mars Sample Return Mission in Jeopardy as U.S. Considers Abandoning Retrieval

Math Puzzle: Falling Through

December 2025: Science History from 50, 100 and 150 Years Ago

Can We Find Cleaner Ways to Extract Rare Earth Elements?

Can AI ‘Griefbots’ Help Us Heal?

Personalized mRNA Vaccines Will Revolutionize Cancer Treatment—If Federal Funding Cuts Don’t Doom Them

How Fossil-Fuel Companies Are Driving Plastic Production and Pollution