Skip to content
cookies to track usage and preferences." data-cookieaccepttext="I UNDERSTAND" data-cookiedeclinetext="Disable Cookies" data-cookiepolicytext="Privacy Policy">
1932

Physical World

The greening of planes, trains and automobiles

We need new fuels to transport people and goods around the globe as society moves away from coal, natural gas and oil. Here’s how things are shaping up.

Why do some people always get lost?

Research suggests that experience may matter more than innate ability when it comes to a sense of direction

Moving trees north to save the forests

As the world warms, trees in forests such as those in Minnesota will no longer be adapted to their local climates. That’s where assisted migration comes in.

The atomic bomb, exile and a test of brotherly bonds: Robert and Frank Oppenheimer

A rift in thinking about who should control powerful new technologies sent the brothers on diverging paths. For one, the story ended with a mission to bring science to the public.

A big boost to Europe’s climate change goals

The bloc aims to become the first carbon-neutral continent. A new policy called CBAM will assist its ambitions — and may persuade other countries to follow in its footsteps.

Losing the connection between the Andes and the Amazon: A price of peace in Colombia

The South American country, where the biodiversity of the Andes meets that of the Amazon, is losing the great natural wealth of some 1,500 square kilometers of forest each year, mainly in areas formerly under guerrilla control

Top science stories of 2023

Twelve standout news events and trends in a tumultuous year

Speedy downloads: Why NASA is turning to lasers for next-gen space comms

The first tests of optical communications far from Earth will take place aboard the asteroid-bound Psyche spacecraft

Pursuing fusion power

Scientists have been chasing the dream of harnessing the reactions that power the Sun since the dawn of the atomic era. Interest, and investment, in the carbon-free energy source is heating up.

How optimizing indoor humidity can help stop the spread of Covid and flu

OPINION: Recent CDC guidelines for indoor air quality disregard the benefits of humidity. But research shows it can kill viruses and help thwart infections.

Is this ‘age of the delta’ coming to an end?

The wet landmasses, though inherently impermanent, have been essential to both people and wildlife for thousands of years. But recent shifts have brought on some rapid losses that worry scientists.

There are more active volcanoes than you think

OPINION: Volcanologists warn that magma-filled vents evolve over time, leading to an underestimation of the number that might erupt — especially those capable of the biggest explosions

The origins and future of the Grand Canyon

VIDEO: How old is the Grand Canyon? Will the Colorado River run dry? Learn about how the Big Ditch formed and the present state and uncertain future of the Colorado River watershed.

The race against radon

Scientists are working to map out the risks of the permafrost thaw, which could expose millions of people to the invisible cancer-causing gas

Why do thieves keep stealing catalytic converters? It’s elemental

COMIC: Rhodium is one of several precious metals that put the catalyst in catalytic. And right now it’s worth more than gold.

The ancient origins of glass

Featuring ingots, shipwrecks, pharaohs and an international trade in colors, the material’s rich history is being traced using modern archaeology and materials science

What did ancient people eat? Scientists find new clues in old pottery

Remnants of molecules and microbes in shards of cooking pots help researchers reconstruct prehistoric cuisines. On the menu: stews, cheese and fermented drinks.

10 years after the nuclear meltdown at Fukushima Daiichi, I’m still worried

OPINION: The cleanup of the past decade at the Japanese power plant could be set back if authorities don’t properly handle a massive stockpile of contaminated water

How researchers are making do in the time of Covid

The coronavirus pandemic has shuttered labs and sidelined scientists all over the world. Here’s a look at how some of them have coped.

The tricky task of tallying carbon

To slow or stop global warming, the world agrees it must cut carbon dioxide emissions. But monitoring each nation’s output of greenhouse gases is not always straightforward.

This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error