Would you sacrifice one person to save five? - Eleanor Nelsen via @TedEd

This Week in Science: Jan 7 – Jan 13, 2017 (Scoperte scientifiche della settimana) via @Futurism

This Week in Science: Jan 7 - Jan 13, 2017

The End of Scars, The Lightest Material on Earth, A $0.20 Centrifuge, And More.

AstroCaffe Ep13: Collisione tra Stelle in Arrivo nel 2021/22 - via @Link2Universe