Bacteria Helped Plants Evolve to Live on Land
Soil bacteria may have taken residence in early algae species, gifting the algae with the ability to withstand drier conditions on land. Annie Sneed reports.
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Astronomers Just Found (Another) Potentially Habitable Exoplanet. What Happens Next?
NASA’s TESS spacecraft identified the unusual world around a red dwarf
Wildfires Could Transform Amazon from Carbon Sink to Source
Rising temperatures and increased deforestation increase the risks for CO2-emitting fires
All of Us Have a Role to Play in Keeping the EPA Accountable
The film Dark Waters highlights the importance of an involved public in environmental protection
People’s Body Systems Age at Different Rates
Individuals have an “ageotype” that’s specific to one organ system, which could be targeted in order to extend healthy life
Introducing the February 2020 Issue
The mind’s social maps, the mystery of aerodynamic lift, killer robots, and more
Does Consciousness Pervade the Universe?
Philosopher Philip Goff answers questions about “panpsychism”
Flames Extinguish Themselves in Zero Gravity
Originally published in November 2000
Why Premature Claims of Life on Mars Hurt Science
Bogus beetles, nonexistent giant sculptures and other “discoveries” on the Red Planet distract us from the exciting research that’s actually going on
Female Surgeons Are Still Treated as Second-Class Citizens
The profession is rife with sexual harassment, bullying and discrimination—and that needs to change
