The question we ask is - if there is life on other planets, should we expect it to be based on the same molecules, i.e. be universal - or should we expect it to depend on the local conditions, i.e.… — Dimitar Sasselov Copy Share Image
“There’s no doubt about it: more varieties of carbon-based molecules exist than all other kinds of molecules combined.” — Neil deGrasse Tyson Copy Share Image
