Galaxy Collisions Preview Milky Way’s Fate
New revelations about how galaxies collide show what might happen when our galaxy meets Andromeda
Volume 325, Issue 6
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Features
Your Boss Wants to Spy on Your Inner Feelings
Tech companies now use AI to analyze your feelings in job interviews and public spaces. But the software seems prone to racial, cultural and gender bias
Top 10 Emerging Technologies for 2021
Innovations to help tackle societal challenges—especially climate change
Solar ‘Superflares’ Rocked Earth Less Than 10,000 Years Ago—and Could Strike Again
Although our sun is considered a quiet star, it is now thought to have repeatedly pelted our planet with enormous eruptions in the not too distant past. Could another occur in the near future?
Departments
Advances
Trees Drill into Deep Bedrock for Water Surprisingly Often
Making Eye Contact Signals a New Turn in a Conversation
A Blank Wall Can Show How Many People Are in a Room and What They're Doing
Indigenous Amazon Communities Fight Deforestation with New Early-Alert Tool
Movie-Making Tech Reveals Elephant Trunk Motions
Soil Microbe Could Clean Up Nuclear Waste
Reprogrammable Eutelsat Quantum Satellite Shifts Missions on the Fly
Bacterial Builders Churn Out Lengthy Muscle Proteins
See Strands of Ice That Look like Hair Build up on a Dead Tree Branch
In Case You Missed It
Secrets of Ultrarare Black Tigers Revealed
Astronomy
The Milky Way Is Destined to Collide with Andromeda, and We Know What It Will Look Like
Policy
Readers Respond to the August 2021 Issue
Mental Health
Expanding Mental Health Care Is a Medical Necessity
Public Health
COVID Has Taught Us Lessons That Could End AIDS
Arts
Poem: 'The Scalar Nature of Snow'
Rachel Carson's Explorations of the Sea, the Human Relationship with Elephants, and More
Inequality
Black Children, as Well as Other Minority Kids, Fare Worse Than White Children in Common Surgeries
We Must Improve Equity in Cancer Screening
Diversity
Once Shunned in Antarctica, Female Scientists Are Now Doing Crucial Polar Research
History
50, 100 & 150 Years Ago: December 2021
Basic Chemistry
Mammoth Tusk Reveals Ancient Mammal's Travels
Cancer
The COVID Cancer Effect
The Colon Cancer Conundrum
Medicine