Scientific American Magazine Vol 324 Issue 1

Scientific American

Volume 324, Issue 1

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Martian Satellite Photos Show Dynamic Planet

Martian Satellite Photos Show Dynamic Planet

The Mars Reconnaissance Orbiter celebrated its 15th year circling Mars

The Real Dilophosaurus Would Have Eaten the Jurassic Park Version for Breakfast

The most comprehensive study of the iconic dinosaur reveals a very different animal from the one portrayed on film

Mountain Water Supply to Two Billion People Could Change

Data about Earth’s 78 most important mountaintops foretell changes in the amount and timing of snowmelt

How Evolution Helps Us Understand Cancer and Control It

Cells need to cooperate to coexist in people, and when some break the rules, cancer results

Ancient Galaxy Clusters Offer Clues about the Early Universe

Astronomers can’t understand how distant galaxies grew so big so fast

The Immune Havoc of COVID-19

The virus flourishes by undermining the body’s chemical defense system

Debunking the False Claim That COVID Death Counts Are Inflated

President Trump and other conspiracy fantasists touted the fake claim that COVID death counts are exaggerated. But three kinds of evidence point to more than 350,000 deaths*


A Complete Guide to Birds, the Reason We Dream and Other New Science Books
Readers Respond to the September 2020 Issue
Ethics Lesson May Hold outside the Classroom
Losing Ground: Climate Change Is Altering the Rules of Ecosystem Hierarchy
'Nanolites' Can Trigger Dangerous Volcanic Explosions
Queen Bee Sperm Storage Holds Clues to Colony Collapse
Story of Mammoth Survival Is in the Soil
In Case You Missed It
New App Tracks Black Rhinos through Their Footprints
Towering Sequoias Are Even Bigger Than Thought, Laser Scans Suggest
Ancient Peruvian Farmers Harnessed El Niño Floodwaters
Gruesome 'Blood Worms' Invaded a Dinosaur's Leg Bone, Fossil Suggests
The Science Agenda
A Federal Law That Protects Competition but Permits Hate and Harassment Online Must Be Revised
Earth Is on Fire
From the Editor
2020 Has Been a Huge Year for Understanding the Process of Science
50, 100 & 150 Years Ago
50, 100 & 150 Years Ago: January 2021
The Science of Health
Is 70 Really the New 60?
Exploring Space Can Unite the U.S.--but Not in the Way You Might Think
Poem: Letter to 2050
Graphic Science
Cholesterol Drops in the West and Rises in the East