A New Map of the Milky Way
High-resolution surveys chart the spiral structure of the galaxy and the location of our solar system
Volume 322, Issue 4
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Features
Can We Save the Woodrat without Slaughtering Cats?
In Key Largo, Fla., conservationists and feline lovers figure out how to get along
Why We Have So Many Problems with Our Teeth
Our choppers are crowded, crooked and riddled with cavities. It hasn’t always been this way
Exotic Creature in Antarctica Has Survived More than 30 Ice Ages
Its perseverance is rewriting the history of life, and of ice, across the continent
How Disaster Aid Ravaged an Island People
The 2004 tsunami devastated the Nicobar Islanders, but what came next was arguably worse
Departments
Advances
Winged "PigeonBot" Flies with Real Feathers
Effective Psychological Therapy May Slow Cellular Aging
Livestock, Pets and People Will Dominate Future Fossils
New Bandage Repels Blood and Promotes Clotting
New Test Uses DNA Trap to Detect Dengue
Flexible Armor Inspired by Mollusks Better Defends Joints
Tiny, Shapeshifting Robots Could Aid Nanoscale Manufacturing
Undersea Telescopes Scan the Sky from Below
In Case You Missed It
Policy
We Are Here
Readers Respond to the December 2019 Issue
The President Alone Should Not Be Able to Start a Nuclear War
Female Surgeons Are Treated Terribly
Why Do White Men and Scientists Tend to Downplay the Risks of Technology?
Rand Paul's Extraterrestrial Vision Makes Zero Sense
50, 100 & 150 Years Ago: April 2020
Environment
Poem: Lichen as Model and Metaphor
Public Health
Sleep Apnea Is Different for Women
Deaths of Young Children Are Decreasing Globally, But ...
EARTH
Who's Brave Enough to Invest in Saving the Planet?
Culture