Rosettawatch: Onion layers prove 67P is a slow-mo comet mash-up A geological survey of comet 67P/Churyumov-Gerasimenko has revealed its two halves have layers that don't line up, meaning they came together at a crawl 51¶¯Âþ
Knotty network could have powered universe's early growth spurt The theory behind why cables get tangled could explain both cosmic inflation and why we experience only three dimensions of space 51¶¯Âþ