What is Nothing?

Is there any place in the Universe where there's truly nothing? Consider the gaps between stars and galaxies? Or the gaps between atoms? What are the properties of nothing?

15 hours ago 4.3 / 5 (20) 45

Speckled beetle key to saving crops in Ethiopia

(Phys.org) —An invasive weed poses a serious and frightening threat to farming families in Ethiopia, but scientists from a Virginia Tech-led program have unleashed a new weapon in the fight against hunger: ...

16 hours ago 4.5 / 5 (2) 0