The half-life of facts
We talk to Samuel Arbesman about how knowledge changes over time, and what this means for the way people consume information
By R.D.A. | LOS ANGELES
IN PRIMARY school Babbage learned that there were nine planets in the solar system. None were known to exist outside it. Since then, astronomers have spotted over 800 planets around other stars (and thousands more "candidates") and demoted Pluto to a mere "dwarf planet". Even a cursory glance at other fields reveals similar patterns.

Researchers lift the lid on how reasoning models actually “think”
They plan sentences far in advance. They also bullshit themselves when reasoning out loud

How Daylight Saving Time affects your sleep and diet
This annual time shift has long-lasting effects on health

Motors in the wheels take EVs further
Simpler to build, lighter and extra range
What does space miso taste like?
It should make the diets of astronauts more interesting
Mitochondria transplants could cure diseases and lengthen lives
A technique that may create a new field of medicine
Is red meat unhealthy?
Overdoing it could give you heart disease or cancer