Tag: "dive" at biology news
Secret life of elephant seals not secret anymore!
...obtained. By simultaneously recording movements, dive
behaviour and oceanographic conditions, the new sensors allow researchers to examine in detail how elephant seals respond to changes in ocean conditions. Most of what we know about these seals has been based on observations made when the seals ha...
Scientists discover 5 new species of sea slugs from the Tropical Eastern Pacific
...berto Chavez, Steve Drogin and Buceo Vallartech, a dive
shop in Puerto Vallarta. and by STRI staff scienti...provided assistance during fieldwork and suggested dive
sites. Cuthona destinyae came out of hull scrapings from the M/V Destiny in La Gordornia, Guerre...
NASA mission explores world's deepest sinkhole
...nsors, updating its software and performing a test dive
to 250 meters to check its pressure housings," Wettergreen said. "Well then have six days to complete the science program. Its an ambitious program, but the vehicle performed well in two earlier field tests at the La Pilita cenote in Mexico." DEPTHX...
Want to monitor climate change? P-p-p-pick up a penguin!
... they cover hundreds of kilometres and are able to dive
to depths of several hundred metres, so they explore a relatively large portion of the expansive Southern Oceans. Secondly, the diets of several populations of king penguins are well known. Thirdly, while foraging for food is done at sea the penguins...
Tracking sperm whales and jumbo squid
...size," the authors wrote. "Whales did occasionally dive
beyond 500 meters, especially during daytime when ... the daytime, or at night after it has made a deep dive
to escape the warm, stressful conditions at the surface. "By hunting deep in this cold, hypoxic en...
..., diving first aid, a boating safety workshop, and dive
excursions. Jarrod Jablonski, world-record cave diver and founder of Global Underwater Explorers (GUE) and Halcyon Manufacturing, and Dr. Morgan Wells, a former NOAA diving safety officer, are the symposium's two keynote speakers. "We have a nice m...
Can antioxidants protect scuba divers?
...pted antioxidants Vitamin C and E prior to a scuba dive
can reduce alterations in cardiovascular function,... caused by a single field air dive. People scuba dive
for recreational and professional purposes. However, only recently has evidence of the different car...
ROV discovers Antarctic seafloor fauna
...rope's most experienced ROV pilots states: "It can dive
down to 1000 meter depth, which is enough for the Larsen B ice-shelf area." The first ROV footage, in relatively deep water, revealed an unusual environment characterized by pebble fields and rocks that have been scoured by ice over thousands of ...
Video explains what science learns from avian stars of 'Happy Feet' and 'March of the Penguins'
...onal Polar Year (IPY), Emperor penguins, which can dive
unharmed to depths that no human could survive unaided, still fascinate researchers. By studying the animals' physiology and the way their bodies respond to the crushing pressure of deep dives, these NSF-funded scientists, who also are medical doc...
UCSD computer scientist wins Young Investigator Award, research on snake venom proteins highlighted
...stand cancer proteins and, perhaps, let scientists dive
into dinosaur genetics. Modified snake venom proteins have been used in the past to create blood thickening and thinning drugs and powerful pain killers -- but there is much more to learn about proteins from snake venom and Bandeira's research pro...
Seals protect brain, conserve oxygen by turning off shivering response on icy dives
...eals shiver just like other animals. But when they dive
below the surface in frigid water, shivering is sw... and lowered oxygen requirements which extends the dive
time, Folkow said. Taking the plunge The seal experiment took place in a tank in which the sea...
Trap-jaw ants have fastest recorded strike in animal kingdom
...celeration." Patek acknowledged that falcons can dive
as fast as 300 miles per hour, but that the raptors must start from very high altitudes and get a boost from the force of gravity to reach those speeds. In comparison, animals such as trap-jaw ants and mantis shrimp (which formerly held the record fo...
Study documents marathon migrations of sooty shearwaters
...8 meters (225 feet) to capture their prey. Average dive
depth was about 14 meters (46 feet). The new study shows that, contrary to previous assumptions, sooty shearwaters do not make a big pan-Pacific sweep to cover all of their feeding areas in the Northern Hemisphere. Instead, individual birds went to...
Pollution threatens coral health by preventing lesions from healing, UCF study shows
...ish can feed," Fauth said. "And reefs where people dive
are being degraded." Tissue samples from mustard hill coral were taken from eight Broward County sites, including near-shore and offshore locations at each of four sites: a City of Hollywood treated wastewater outfall, the Port Everglades inlet mou...
After the Hurricanes
... 8 a.m. via ferry for a ~2-hour ride to that day's dive
location and the R/V Spree, and return to Key West at ~5 p.m.) WHERE: The dive
locations are in the Dry Tortugas National Park and the Tortugas Ecological Reserve. Reporters are ...
What lies beneath: LSU researchers explore Gulf floor
...fety issues involved with Alvin. Since a complete dive
takes a total of eight hours, the crew has to be s... trepidation you feel disappears when you begin to dive
down, because you're seeing new things, sampling and taking notes. We will be the first people to e...
Drug discovery team to explore newly discovered deep-sea reefs
...mi AUV work has instead made it possible to choose dive
sites likely to be vibrant reef areas ahead of time, all with an understanding of the full system being explored. The expedition will have two main goals. First, the team will use the submersible to explore those seafloor areas that appear most prom...
...ol AUV work has instead made it possible to choose dive
sites likely to be vibrant reef areas, all with an understanding of the full system being explored. The expedition will have two main goals. First the team will use the submersible to explore those seafloor areas that appear most promising based on ...
Ecologists home in on how sperm whales find their prey
...nd that sperm whales produced buzzes on every deep dive
they made, in all three locations, suggesting that they are highly successful at locating prey in the dark ocean depths. The sperm whale is the world's largest deep-diving toothed whale, feeding mainly on squid, but until now little has been known ab...
High-tech tags on marine animals yield valuable data for biologists and oceanographers
... off when the animal molts. Data recorded during a dive
are transmitted to satellites when the animal comes to the surface to breathe. Costa's group has been providing water temperature and salinity data gathered by California sea lions to physical oceanographer Yi Chao at the Jet Propulsion Laboratory i...