Whether it’s a bee sting or a kick in the groin, pain sucks. But we need these unpleasant sensations so we know when something is wrong or when to avoid danger. Life Noggin explores the nature of pain, and some conditions which prevent people from feeling it.
If you’ve ever had surgery, you know the strange sensation of counting backwards, then basically remembering until you wake up in recovery. TED-Ed explains the science behind modern anesthesia, and how they keep you from moving, feeling pain, or forming memories.
Super Deluxe introduces us to Eric Lindsey of Prosthetic Artists, Inc. to go inside the artistry of creating prosthetic eyes for people who have lost theirs. Each eye must not only be perfectly fitted, but must be precisely painted to match the patient’s natural eye characteristics.
It’s a question many of us who have worn glasses have pondered – does the simple fact that we started wearing glasses when our eyes were only slightly blurry make our vision worse, or is it just age working against us? SciShow explores this myth and sets the record straight.
Veritasium explores the work our brains perform to process information, and how the shortcuts our minds automatically take can lead to mistakes. Bottom line is that study and practice are key to improving our brains’ ability to reach sound, but quick conclusions.
Les Baugh lost both of his arms in a freak accident about 40 years ago. Now scientists from Johns Hopkins University Applied Physics Laboratory have fitted him with two robotic limbs, which can be controlled wirelessly using his own thoughts.