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Even if you aren't a huge Aquaman fan, most people still know that he's a superhero that is capable of surviving and fighting crime both on land and underwater.

Why do medical implants like insulin pumps and prosthetic knees need replacement? Explore how the immune system fights implants and how new devices are trying to help.

Sleepy time!

Explore the biological and psychological factors that influence how we experience pain and how our nervous system reactions to harmful stimuli.

Because it's hoarding protein. Not just for itself, but for the butterfly it will become and every egg that butterfly will lay. And it's about to lose its mouth... as it wriggles out of its skin during metamorphosis.

Dom Burgess investigates whether we could clone humans in the future.

The immune system is a vast network of cells, tissues, and organs that coordinate your body's defenses against any threats to your health. Without it, you'd be exposed to billions of bacteria, viruses, and toxins that could make something as minor as a paper cut or a seasonal cold fatal. So how does it work? Emma Bryce takes you inside the body to find out.

Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks.