Mason Posner teaches anatomy and physiology, marine and vertebrate biology at Ashland University in Ohio. He does research on the evolution and function of the vertebrate eye lens and has interests in undergraduate research and teaching technology. He leads a Biology capstone courses on science communication.
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A semester with a blog and wiki in my Marine Biology course

Over the past couple of years I have played around with using blogs and wiki pages in my courses.  This past semester I incorporated both into my Marine Biology course and feel good about the results.  My reasons for using each type of web technology differed, so I will hit them separately:

The course blog

I have [...]

Mole crab molts litter the beaches

What a difference a month makes.  Back in April I brought my marine biology class to the Outer Banks of North Carolina for our end of semester field trip.  We saw lots of surf clam shells on the beach then, and some arks, but not a lot of other diversity in shells.  And the month [...]

A successful field trip to the Outer Banks

I recently returned from my latest class field trip to the Outer Banks of North Carolina.  I am fortunate to teach an upper level marine bio course at Ashland University in Ohio.  Yes, Ohio.  My students can see live marine specimens in our saltwater aquarium, and lots of collected organisms from the Atlantic and Pacific [...]

We made it to the beach

It took us almost 15 hours in our two vans to get from Ashland, Ohio to Oregon Inlet, but we had some great BBQ (Currituck BBQ) on the way and a quick stop at walmart for the camping gear we left behind. But we are here, tents are up, my students had their first trip [...]

Marine Biology in the Outer Banks

End of the semester teaching and a slew of chair duties have kept me away from the blog for a few weeks.  But it is now 4:18 am and I am off with a colleague and 10 students for my semi-annual field trip to Oregon Inlet, North Carolina in the Outer Banks for my Marine [...]

Eat fish and acidify the oceans

When teaching marine biology I warn my students that if they are there to just learn about sharks and dolphins they will be sorely disappointed, because only microscopic plankton have the biomass to really affect the oceans. Being an ichthyologist this always hurt a bit.  A recent paper in Science has restored my faith that all [...]

Sea kittens . . . really?

Next time you’re reeling in that fish, picture Whiskers or Fluffy hooked through the mouth on the end of your line.  At least that is what PETA would like you to do.  In a new PR campaign the animal rights group is attempting to rebrand “fish” as “sea kitten”.  The rationale:

When your name can also [...]

Creepy Friday videos

That is if you find spiders creepy.  And if you do, maybe your fears are well founded.

This shark video is only creepy if you were in the submarine, and the sharks actually posed a threat.  Which they probably didn’t.  But it is still worth checking out.

Limpets prepare for a hotter climate

Changing climates have the potential to wreck havoc on living things, which are often adapted to very specific local temperatures.  These changes can alter the structure and, therefore, the function of the tens of thousands of proteins that keep cells and their owners alive.  Yet, the presence of living things in extreme environments [...]

Fish eyes do the coolest things

Ed Yong over at Not Exactly Rocket Science beat me to the punch on this one.  You should check out his summary of a new paper by a group of excellent fish eye people on the spookfish, Dolichopteryx longipes.  Like many mesopelagic fishes that live in these low light conditions, the spookfish has tubular [...]