Sharks' Virus Killer Could Cure Humans, Study Suggests

BY DAVID DUNCAN


http://news.nationalgeographic.com/news/2011/09/110919-sharks-drugs-medicine-viruses-science-health-squalamine/

Dogfish sharks ply the Pacific Ocean off Canada.

Photograph by Jurgen Freund, Getty Images

Every Black Hole Contains Another Universe?

BY EMMA WANG


http://news.nationalgeographic.com/news/2010/04/100409-black-holes-alternate-universe-multiverse-einstein-wormholes/

A supermassive black hole sits inside the galaxy Centaurus A, as seen in a composite picture.

Image courtesy NASA/CXC/CfA/R.Kraft et al., MPIfR/ESO/APEX/A.Weiss et al. and ESO/WFI