Dolphin DNA collected from blowholes
The dolphins at the National Aquarium in Baltimore are exhaling on cue to provide scientists with samples of their DNA.
Montague Island and the Sea Dogs
Image: Richard Vevers/Underwater Australia Australian Seals suffer something of an identity crisis. They are actually sea lions, not seals, and yet they look nothing like the fearsome jungle creature.
Living fossils: Long live the Horseshoe Crab
These arthropods are living fossils, practically unchanged in 445 million years. Born survivors, they have endured countless major changes on Earth, but we’re only just beginning to understand them.
