PhysiologyJanuary 1, 2023
New Human Metabolism Research Upends Conventional Wisdom about How We Burn Calories
Metabolism studies reveal surprising insights into how we burn calories—and how cooperative food production helped Homo sapiens flourish
Volume 328, Issue 1
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Features
CosmologyJanuary 1, 2023
How Star Collisions Forge the Universe’s Heaviest Elements
Scientists have new evidence about how cosmic cataclysms forge gold, platinum and other heavy members of the periodic table
CultureJanuary 1, 2023
This Spiritual Tradition Could Be the Most Poetic Bereavement Therapy Ever Documented
A mourning ritual of dialogues with the dead speaks to the fragility of theological diversity
Departments
Advances
Rare Animals' Microbiomes Harbor Survival Secrets
Your Cats Can Tell When You're Speaking to Them
Mighty Morphin' Turtle Robot Goes Amphibious by Shifting Leg Shape
Lab-Made Motors Could Move and Glow in Cells
Ball-Rolling Bumble Bees Just Wanna Have Fun
Storm-Chasing Seabirds Ride Out Hurricanes from Inside
A Supersmeller Can Detect the Scent of Parkinson's, Leading to an Experimental Test for the Illness
Electric Countdown Tells Sleeping Spores When to Wake Up
Predators Act like Butterflies' Eyespots Are Looking Right at Them
Science News Briefs from around the World: January 2023
Bacteria and Fungi Can 'Walk' across the Surface of Our Teeth
Outlook
Reduce, Reuse, Recycle: Why All 3 R's Are Critical to a Circular Economy
E-Waste Could Become a 'Gold Mine' for Rare-Earth Elements
A Sustainable Economy Depends on Sustainable Materials
Why Recycling Isn't the Answer to the Plastic Pollution Problem
Why It's So Hard to Recycle Plastic
How to Construct Buildings That Have a Positive Impact on Climate and Biodiversity
The New Era of Biofuels Raises Environmental Concerns
How Water Cycles Can Help Prevent Disastrous Floods and Drought
Chemists Are Figuring Out How to Recycle Our Clothes
From the Editor
How Metabolism, Heavy Elements and Quantum Entanglement Really Work
Letters
Readers Respond to the September 2022 Issue
The Science Agenda
What's on the Horizon for 2023
Forum
U.S. Secretary of the Interior: Satellites Will Help Us Fight Climate Change
Meter
Poem: 'Weight'
The Science of Health
How Diet Builds Better Bones: Surprising Findings on Vitamin D, Coffee, and More
News
The Universe Is Not Locally Real, and the Physics Nobel Prize Winners Proved It
Mind Matters
Voice Training Is a Medical Necessity for Many Transgender People
The Universe
The Brightest Gamma-Ray Burst Ever Recorded Rattled Earth's Atmosphere
Reviews
If Future Humans Terraformed a New Earth, Could They Get It Right?
Observatory
Hilaree Nelson Was One of the Greatest Adventurers Ever
50, 100 & 150 Years Ago
50, 100 & 150 Years Ago: January 2023
Graphic Science