Tiny stones in fish hold clues to help restore populations
Geological records help forecast escalating coastal hazards
Tiny animals dominate the undersea soundscape
NATO seeks advice to avoid collateral environmental damage
Scientists devise way to relay sound signals under water
For scientists who study Antarctic zooplankton or who need to repair a crucial ocean-observing instrument in the middle of winter, donning a drysuit and plunging into frigid waters is all in a day's work.