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A better understanding of dopamine could lead to better treatments for neurodegenerative and neurodevelopmental diseases, among others. Kateryna Kon/Science Photo Library via Getty Images

Dopamine is a brain chemical famously linked to mood and pleasure − but researchers have found multiple types of dopamine neurons with different functions

From dopamine hacking to dopamine detoxes, some people have sought to harness this brain chemical to improve their mood and productivity. But it’s far more complicated than that.
Your bladder can signal the brain when it’s full, even while you’re asleep. Happyphoton/iStock via Getty Images

What happens if you need to pee while you’re asleep?

A pediatric urologist explains how the bladder and the brain communicate to wake you up when you need to ‘go’ – and how that communication might break down.
NASA’s UAP study team and newly appointed director of UAP research represent growing efforts to study and declassify UFO-related data. AP Photo/Terry Renn

NASA report finds no evidence that UFOs are extraterrestrial

Months after a military officer made sensational claims about unexplained objects in the skies, NASA released a report loosely outlining a scientific approach for analyzing UAP reports.
Pharmacogenetic testing is a form of precision medicine, using your genes to personalize your care. D3Damon/E+ via Getty Images

Can at-home DNA tests predict how you’ll respond to your medications? Pharmacists explain the risks and benefits of pharmacogenetic testing

Genetic testing can help take the guesswork out of finding the right treatment. For certain diseases. To an extent.
Humility can help your interconnectedness with others snap into focus. deberarr/iStock via Getty Images Plus

Humility is the foundation to a virtuous life

Humility doesn’t get the fanfare of virtues like courage, compassion or generosity. But without humility, those other virtues won’t get much traction in the quest to live a good life.
Some animals, including goats, regularly give birth to two babies at once. Image Source via Getty Images

Can animals give birth to twins?

Animals often give birth to litters of more than one offspring at a time. But are those babies twins?
Molecules are often separated by their size, shape or other properties. twomeows/Moment via Getty Images

Separating molecules is a highly energy-intensive but essential part of drug development, desalination and other industrial processes – improving membranes can help

Around half of US industrial energy use goes toward separating molecules in industrial processes. Developing materials that can withstand harsh industrial conditions can help increase efficiency.
Ayurveda is one form of traditional medicine that can integrate aromatherapy. It’s popular in South Asia. Microgen Images/Science Photo Library

Traditional medicine provides health care to many around the globe – the WHO is trying to make it safer and more standardized

More people are seeking out traditional forms of medicine, from acupuncture to herbal medicines. The WHO is working to develop standards to make these healing practices implementable on a wide scale.
Tech leaders like Alphabet CEO Sundar Picha and OpenAI CEO Sam Altman, seen here entering the White House, are just one piece of the AI regulation puzzle. AP Photo/Evan Vucci

Experts alone can’t handle AI – social scientists explain why the public needs a seat at the table

Industry leaders, scientists and policymakers may see AI’s technical potential, but societies have trouble adapting to revolutionary advances without broad public participation.