Klotho, a life-extending protein hormone, when administered to young, aging or impaired mice, rapidly improves their cognitive and physical performance, finds UCSF scientists.
The quest to replace Li-ion batteries could be over as researchers find a way to efficiently recharge Zinc-air batteries. The batteries are much cheaper, can store 5x more energy, are safer and are more environmentally friendly than Li-ion batteries.
The science of being ‘nice’: how politeness is different from compassion. New research shows distinct situations in which compassionate and/or polite people will show generosity. This provides important insight into how we understand 'nice' people. [x-post from our sister sub /r/everythingscience]
Teaching A.I. Systems to Behave Themselves - 'developing algorithms that can not only learn tasks through hours of trial and error, but also receive regular guidance from human teachers along the way.
For anyone interested in the Hard Problem of consciousness, here's John Heil on why Chalmers, Dennett et al. are making the problem more difficult than it ought to be
TIL that there are four stages to learning a new skill: unconscious incompetence, conscious incompetence, conscious competence, and unconscious competence.