Lynn Margulis classified the Chaetognaths, known as arrow worms, as deuterostomes. Deuterostomy is characterized by several developmental characteristics including radial, indeterminate cleavage, a posterior position of the blastopore (deuterostomy=”second mouth”), enterocoelous coelom formation and a tripartite adult body plan with a post-anal tail. At least this is what I was taught … . . . → Read More: What in Darwin’s Name Are Chaetognaths?!
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By Kevin Zelnio, on  June 7th, 2010  7 comments  Biodiversity, New Research, Zooplankton  Best of Zelnio, Cambrian, Chaetognath, Current Biology, Deuterostome, Ecdysozoa, evolution, fossil, molecular phylogeny, Phylogenetics, Platyhelminthes, Priapulida, Protostome, RB Editor's Selection By Kevin Zelnio, on June 7th, 2010 5 comments Fish, Fishing, Oil Spills Bluefin, CITES, Gulf of Mexico, Oil Spill, tuna Hat tip to commenter Kelly. Consider the Bluefin Tuna. Highly prized meat, commercially valuable, the science points to serious over-harvesting, yet was not deemed by CITES as a species worth saving this year. NOW, these struggling tuna have to swim through a sludge and their babies have to deal with a toxic environment. We … . . . → Read More: Spawning in the Oil
REPOSTED FROM MAY 2008 When a scientist is writing a scientific paper we look for that one quintessential figure that tells the whole story. Other figures are ancillary to fill in the specifics but the ‘cardinal figure’ is where all the meat of the paper is distilled to one remarkable graph. A senior scientist … . . . → Read More: Orcas and Oil: Repost
By Dr. M, on June 6th, 2010 25 comments Oil Spills alternative energy, British Petroleum, deep sea, Gulf of Mexico, Oil Spill A professor once told me that whether religious or not, each and every one of us has a geographical locality that we feel a deep and spiritual connection to. For some this may be a place of formal worship, such a cathedral, for others maybe their hometown. For me it is southern … . . . → Read More: Oil Spill in the Gulf of Mexico: My Thoughts
Dear BP, I know it’s hard to admit, but it seems like we’re just not as close as we used to be. We don’t seem to want to do the same things anymore. I miss when you were forward thinking and green. Now I think those good memories of us were just fiction. I … . . . → Read More: British Petroleum, You Broke My Heart
By Dr. M, on June 6th, 2010 2 comments Coral, Oil Spills British Petroleum, Coral, Gulf of Mexico, Oil Spill From Science Daily… Thousands of barrels of oil are leaking out of the Deepwater Horizon site each day. The oil ascends from depths of approximately 1502 m. (4928 ft.), but not all of it reaches the sea surface. The stratified seawater of the Gulf of Mexico captures or slows the ascent of the oil, and … . . . → Read More: Oil Spill Puts Cold, Deepwater Corals At Risk
By Kevin Zelnio, on June 4th, 2010 11 comments Art, Biodiversity, Scientist!, Seeps, Vent, & Whale Falls alvin, Flying Trilobite, Glendon Mellow, Hydrothermal Vent, submersible, Trilobite UPDATE: Glendon is now offering this beautiful piece of deep-sea art as prints on his website! Products range from cards to full size poster prints and are quite affordably priced! Earlier this year I approached Glendon Mellow who writes the Flying Trilobite blog, a fabulous artist and all around good guy, because I wanted to … . . . → Read More: The Last Refuge
Follow me next week on Twitter (DrCraigMc) to hear all the updates from the 12th Deep-Sea Biology Symposium. Those attending and tweeting make sure to use the #DSBS2010 hash tag. . . . → Read More: Off To the 12th Deep-Sea Biology Symposium
By Dr. M, on June 3rd, 2010 3 comments Fishing, Industry & Government, Oil Spills BP, British Petroleum, conservation, Gulf of Mexico, Oil Spill “No matter what took place & why it happened, the oil spill in the Gulf belongs to all of us”-Sheril Kirshenbaum BP manges to completely cut riser piper earlier today after earlier snags. The cap is now atop the pipe at ~10 p.m., oil & gas continued to spew as cap is adjusted into place The … . . . → Read More: Oil Spill Update: June 3, 2010 Pt II
http://www.youtube.com/watch?v=pE-1G_476nA Where The Oil Is Going Scientists at the National Center for Atmospheric Research (NCAR) released a series of simulations showing that the oil in the Gulf is likely to reach the East Coast. (h/t Dot Earth). The yellow dye in the model “represents the best estimate of how ocean currents are likely to … . . . → Read More: Oil likely to reach east coast: update for Thurs June 3
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