A clock based on radioactive thorium atoms realises a long-held ambition, demonstrating a technology that could eventually beat the accuracy of today’s best atomic clocks

A clock based on radioactive thorium atoms realises a long-held ambition, demonstrating a technology that could eventually beat the accuracy of today’s best atomic clocks

A Rose Of White

My first is novel, shiny and bright
My second a warring rose of white
My third are a-changin', did Dylan write
My whole to press will expedite

What am I?


Check Braingle.com for the answer.

Our soils are teeming with networks of fungi, and we're starting to understand how important they are

Our soils are teeming with networks of fungi, and we're starting to understand how important they are

It was widely thought that the movement of water through Venus flytrap cells caused the trap to close, but detailed experiments have led scientists to propose an alternative mechanism

It was widely thought that the movement of water through Venus flytrap cells caused the trap to close, but detailed experiments have led scientists to propose an alternative mechanism

So-called indirect greenhouse gases, including carbon monoxide and volatile organic compounds, aren’t covered by climate policies even though they heat the planet

So-called indirect greenhouse gases, including carbon monoxide and volatile organic compounds, aren’t covered by climate policies even though they heat the planet

Global weather agencies have declared that El Niño has begun, and models show it is more likely than not to be a "super" El Niño. The climate pattern boosts extreme weather around the world, and could lead to record temperatures

Global weather agencies have declared that El Niño has begun, and models show it is more likely than not to be a "super" El Niño. The climate pattern boosts extreme weather around the world, and could lead to record temperatures

An experiment with a toy universe made up of extremely cold atoms shows how time can emerge from quantum interactions, instead of existing by default

An experiment with a toy universe made up of extremely cold atoms shows how time can emerge from quantum interactions, instead of existing by default

Trying to figure out how to turn off Google AI? It starts with one awkward truth: Google does not give users one big “off” switch for every AI feature.

Student Gunnar Hartmann wins Nature’s 2026 Scientist at Work photography competition for this shot of migrating northern bald ibis in Spain

Student Gunnar Hartmann wins Nature’s 2026 Scientist at Work photography competition for this shot of migrating northern bald ibis in Spain

With Steven Spielberg’s new extraterrestrial film Disclosure Day just out, it’s the ideal time to watch Close Encounter of the Third Kind – perhaps the perfect UFO film, says film columnist Bethan Ackerley

With Steven Spielberg’s new extraterrestrial film Disclosure Day just out, it’s the ideal time to watch Close Encounter of the Third Kind – perhaps the perfect UFO film, says film columnist Bethan Ackerley

A study of 4.5 million people suggests that ex-smokers who take up vaping are more at risk of dying from lung cancer than people who quit without the use of e-cigarettes

A study of 4.5 million people suggests that ex-smokers who take up vaping are more at risk of dying from lung cancer than people who quit without the use of e-cigarettes