The paper does not prove the existence of dark matter, but it mostly eliminates a rival theory called Modified Newtonian Dynamics.
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How to figure out the right amount of time for any project.
In the early stages of the hot Big Bang, there were only free protons and neutrons: no atomic nuclei. How did the first elements form from them?
Hundreds of millions of animals get killed for meat every day.
Our intuitive understanding of time is very different from a physicist’s understanding of time. How do we reconcile these views?
Stem cells from a fetus can live within the mother for decades — and help her heal.
The evidence that pollution causes cancer is weak. Lifestyle factors, like smoking, obesity, and alcohol, matter far more.
In the early stages of the hot Big Bang, matter and antimatter were (almost) balanced. After a brief while, matter won out. Here’s how.
Instead of fear, his delusions bring him cheer. His psychiatrist embraces them.
A new generation of leaders is forging a path for 21st-century capitalism that’s both profitable and socially responsible.
When ancient humans stared into the darkness, they imagined monsters. Today, staring into the future, AI is the monster.
The sooner you can admit what’s swimming beneath the surface, the sooner you can improve your life.
The highest-energy particles could be a sign of new, unexpected physics. But the simplest, most mundane explanation is particularly iron-ic.
The modern attention economy hijacks our ability to focus, but an ancient technique offers a means to get it back.
The tonal Native American language differentiates words based on pitch and makes Spanish conjugation look like child’s play.
Stories of child prodigies and the naturally gifted hide the fact that success is built on more than talent alone.
In 2022, Hubble owned the record for most distant galaxy. Today, that galaxy is down to the 9th most distant object. Thanks, JWST.
The first human trial of base editing delivered strong results along with some safety concerns.
Perhaps it’s not just an oddly shaped hill, after all.
Claims of a sudden infestation appear unfounded.
Decades ago, a disaster left three million acres of land uninhabitable and killed between 85,600 and 240,000 people. Chernobyl? No. Banqiao dam in China.
Roger Babson wanted a “partial insulator, reflector, or absorber of gravity” — something, anything, that would stop or dampen it.
Google co-founder Sergey Brin’s airship startup hits a major milestone.
Pugs are funny and cute, but that is because we have bred them intentionally to have debilitating genetic mutations. Is that ethical?
The problem with carnivores turned omnivores.
For a substantial fraction of a second after the Big Bang, there was only a quark-gluon plasma. Here’s how protons and neutrons arose.
“Less is better” is not a catchy marketing slogan, but one doctor who didn’t shower for five years thinks there’s a lot of truth to it.
A game that challenges pedestrians to avoid detection by an AI could help train tomorrow’s self-driving cars.
In the very early Universe, practically all particles were massless. Then the Higgs symmetry broke, and suddenly everything was different.