The list of COVID-19 symptoms has changed so much since the start of the pandemic — here's what we know now.

Early studies indicate that some people who had just mild to moderate COVID symptoms are still exhibiting impaired attention and focus months after infection — here’s what we know about post-COVID syndrome.

In 2020, the world saw its first glimpse of a living robot that could move, self-heal, and work with other bots to meet a common goal.

Scientists are currently limited to stopping human embryo growth at 14 days — but now, the International Society for Stem Cell Research wants to rethink that limit.

A team at UNSW Sydney has figured out a way to 3D print bones using living cells.

This mysterious neurological disease affected more than one million people after World War I and left some sleeping for 40 years.

Researchers are deliberately infecting healthy human volunteers with the virus that causes COVID-19 — would you sign up for a trial?

The Johnson & Johnson vaccine has been granted emergency use authorization by the US FDA — here’s what makes it different from the Moderna and Pfizer vaccines.

Our ears don’t just allow us to hear, they also give us our sense of balance — here’s how.

It's common to see how long you can hold your breath for, but how does your body know when you’re at your breaking point?

The anatomical separation between our blood and brain keeps us safe from potential harm — here’s how.

The Pfizer and Moderna vaccine ingredients, explained.