Science & technology | The Q&A: Samuel Arbesman

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.

A thoughtful robot sitting on a rock, resembling The Thinker, with a question mark above its head

Researchers lift the lid on how reasoning models actually “think”

They plan sentences far in advance. They also bullshit themselves when reasoning out loud

This illustration depicts a surreal, anthropomorphic clock with facial features. The clock face includes eyes, a nose, and lips arranged along the clock hands, giving it a whimsical and expressive look. The background is green, and the figure wears a white

How Daylight Saving Time affects your sleep and diet

This annual time shift has long-lasting effects on health


Finnish designed electric motorcycle Verge

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