How and Why Computers Roll Loaded Dice
Researchers are one step closer to injecting probability into deterministic machines.
How Your Heart Influences What You Perceive and Fear
The heartbeat and other bodily processes play a surprising role in shaping perception and cognition.
The Hidden Magnetic Universe Begins to Come Into View
Astronomers are discovering that magnetic fields permeate much of the cosmos. If these fields date back to the Big Bang, they could solve a major cosmological mystery.
The Tricky Math of Herd Immunity for COVID-19
Herd immunity differs from place to place, and many factors influence how it’s calculated.
Cosmic Rays May Explain Life’s Bias for Right-Handed DNA
Cosmic rays may have given right-handed genetic helixes an evolutionary edge at the beginning of life’s history.
New Geometric Perspective Cracks Old Problem About Rectangles
While locked down due to COVID-19, Joshua Greene and Andrew Lobb figured out how to prove a version of the “rectangular peg problem.”
The Two Forms of Mathematical Beauty
Mathematicians typically appreciate either generic or exceptional beauty in their work, but one type is more useful in describing the universe.
Dark Matter Experiment Finds Unexplained Signal
Researchers say there are three possible explanations for the anomalous data. One is mundane. Two would revolutionize physics.
Why Gravity Is Not Like the Other Forces
We asked four physicists why gravity stands out among the forces of nature. We got four different answers.
Males Are the Taller Sex. Estrogen, Not Fights for Mates, May Be Why.
To explain why men are on average taller than women, scientists theorized about competition for mates. But the effects of estrogen on bone growth may be answer enough.