Did Facebook fuel political polarization during the 2020 election? It’s complicated.
There's strong ideological segregation, but proposed interventions didn't change attitudes.
Science // Science & Exploration
Increasing levels of humidity are here to make heat waves even worse
This summer's heat is only a preview of what's in store for our future.
Meat allergy from tick bites is on the rise—and US doctors are in the dark
The allergy, called alpha-gal syndrome, came to light a little over a decade ago.
Over 230 people get puzzling neurological disorder in Peru; emergency declared
Cause of Guillain-Barré cases is under investigation, but gut microbe suspected.
Namibian fairy circle debate rages on: Sand termites or Turing mechanism? [Updated]
Study offers four-point rebuttal to 2022 claim that they're a kind of eco-Turing pattern.
The US government is taking a serious step toward space-based nuclear propulsion
"NASA is looking to go to Mars with this system."
Boeing has now lost $1.1 billion on Starliner, with no crew flight in sight
"We're not really ready to talk about a launch opportunity yet."
Dinosaurs and the evolution of breathing through bones
Dinosaurs' hyper-efficient breathing system also evolved in two other lineages.
Pandemic deaths in Ohio and Florida show partisan divide after vaccine rollout
The death gap between Democrats and Republicans was larger in counties with lower vaccination rates.
Mass extinction event 260 million years ago resulted from climate change, studies say
Ocean stagnation, ecosystem collapses, and volcano eruptions all played a role.
Climatologists: July’s intense heat “exactly what we expected to see”
Deadly temperatures will become common unless greenhouse gas emissions are cut fast.
SpaceX teases another application for Starship
"SpaceX could itself become a large commercial LEO destination."
After bopping an asteroid 3 years ago, NASA will finally see the results
"Every sample here has a story to tell."
Understanding the octopus and its relationships with humans
A new book tracks the human fascination with octopuses across centuries.
Long-forgotten frozen soil sample offers a warning for the future
Ancient soil was buried under a mile of ice until excavated during the Cold War.
