3 ms·
https://www.newscientist.com/article/dn26807-if-birds-in-a-truck-fly-does-the-truck-get-lighter/ https://www.newscientist.com/article/dn26807-if-birds-in-a-t...
by _whiteCaps_ 7y ago
https://www.newscientist.com/article/dn26807-if-birds-in-a-truck-fly-does-the-truck-get-lighter/ https://www.newscientist.com/article/dn26807-if-birds-in-a-t...