It took two scientists decades to find a new nitrogen-fixing organelle. It could change the future of sustainable agriculture ...

Photosynthetic bacteria helped shape Planet Earth. Among them are cyanobacteria that produced the oxygen in our atmosphere and made complex life possible, captivating scientists for decades. Now, ...

A typically friendly setting for one of their own turned tense on Capitol Hill Wednesday with senators grilling Markwayne Mullin for roughly three hours as he vies to become President Donald Trump’s ...

It turns out you can quite literally see an analog signal if the conditions are right—and you look closely enough. Reading time 3 minutes Despite their futuristic appearance—for our money, they’re ...

The flagship feature of Samsung’s new Galaxy S26 Ultra is the Privacy Display and, so far, it’s been a great addition to the device. But closer inspection of the ...

Good morning, Early Birds. Welcome to the Year of the Fire Horse. Send tips to earlytips@washpost.com. Thanks for waking up with us. In today’s edition ...

Researchers from Tokyo Metropolitan University have developed a suite of algorithms to automate the counting of sister chromatid exchanges (SCE) in chromosomes under the microscope. Conventional ...

ANABÆNA LIVING IN BOTRYDIUM.—It is now well known that many plants belonging to the group of the Nostocs flourish within the cells of other plants. Thus they are to be found in the petioles of the ...

The much anticipated teen social media ban began in Australia on 10 December 2025. Its introduction was popular a year ago when legislation passed parliament but has also been controversial with many ...

A new dual-light microscope lets researchers observe micro- and nanoscale activity inside living cells without using dyes. The system captures both detailed structures and tiny moving particles at ...

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

A microscope's job is to magnify the minuscule world around us. We can observe the tiniest objects, organisms and materials, and investigate their form, texture and composition, to witness what would ...