Smithsonian's National Zoo and Conservation Biology Institute
Photo credit: via Ketut Subiyanto/Pexels and Dinielle De Veyra/Pexels – How long can you hang out? The answer may say a lot about your potential lifespan.
Photo credit: Guy Ben-Ary/YouTube & By Non Event – Alvin Lucier, CC BY-SA 2.0 – Alvin Lucier''s "brain" is still composing music 3 years after his death.
