Dolphin snot offers less painful source of DNA

The fluid that spews out the top of a dolphin or whale's head when it exhales can provide scientists with valuable genetic information, giving them an alternative to shooting the animals with a retractable dart to collect a small tissue sample, new research suggests. DNA - Research - Ecotourism - Travel - Specialty Travel

Read the whole article on MSNBC: Science

More from MSNBC: Science