Bacterial infections that are resistant to treatment by our existing antibiotics are a huge threat to human health — and an enormous challenge for medicine. Scientists are exploring one fascinating line of research: compounds modeled after those found in the blood of the fearsome Komodo dragon.

Emerging research suggests that retirement could lead to a decline in your cognitive function, says gerontologist Ross Andel. Anyone who’s retired or thinking about retirement should read this to learn more.

A new technology aspires to harness the powerful human sense of smell to enhance our daily lives. Someday this approach might even be used to benefit our health. How is this possible? Step one: Just inhale.

Cultivate a healthy appreciation for yourself — and all people — by tripping out on the wonders of the human body, suggests science communicator Samantha Yammine.