![Scientific American Magazine Vol 324 Issue 1](jpg/f2333cf7-613f-4d8e-90ae7bdfb6960f3a_sourcec6eb.jpg)
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Features
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*