Marine & Freshwater Environmental Education
Even though they have ten legs – not, eight – we’ve always said horseshoe crabs are members of the arachnid family. It was first theorized by E. Ray Lankester in 1881. But, until recently, it had not been proven in terms of genetics. Scientists at the University of Wisconsin-Madison studied the molecular evolutionary patterns of Limulus polyphemus to confirm Lankester’s theory. So they are still a great addition to your Halloween decoration box.
Image (c) factzone.com
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Another day of the countdown. This time it’s the ferocious cookie cutter shark. There’s nothing short of remarkably awesome when it comes to these sharks. They are small but also skillful in their ability to sneak up and eat prey much larger. They even have the largest tooth-to-body-length ratio of any shark (including the great […]
Surfrider Foundation recently released a new PSA by filmmaker Jack McCoy with a previously unreleased song, Blue Sway, by Paul McCartney. The song has been released on his McCartney II which was distributed by MPL and Concord Music Group on June 14. If you like this song you should also check out McCartney’s (aka The […]
The superstorm still affecting millions along the mid-Atlantic is a wake-up call. The damage due to flooding and fires is unmatched to any other storm in recent history. Experts say the event will not be an unfamiliar one in future decades due to an influx of people living along the coast and the impending sea […]
Watch this clip from “The Other Guys” (2010) as Will Ferrell’s character schools Mark Wahlberg’s character on what would happen if a lion were to attack a tuna. Enjoy!
The highest tides are found at the Bay of Fundy (Atlantic Ocean) off the coast of Nova Scotia and New Brunswick in Canada, as well as Maine in the United States. The tides are typically 5 to 10 times higher than other coasts!
Horseshoe crabs are an arthropod more closely related to spiders and scorpions than crabs and lobsters. They have a three part body: prosoma (head), opisthosoma (heavy shell with legs under it) and the telson (tail). This amazing body structure has been unchanged for over 200 million years. Interestingly enough, this is this Beach Chair […]
The amount of salt in the ocean, known as ‘salinity’, is a measure of the of the amount of salt dissolved in 1000 grams of water. The amount is expressed as parts per thousands (ppt). Refractometers are a tool used to measure the amount of salinity in the ocean. The salinity in the ocean is […]
Antarctic Art Contest: Students and professionals alike are invited to submit written or visual pieces about the WAIS Divide. Specifically, it’s suggested that pieces focus on water isotopes, CO2 and methane gases, radar imagery, or imagery of ice samples. Deadline is October 1st. Children’s Art Mangrove Calender: Elementary-aged school children invited to create art expressing […]
Please feel free to share with your friends and family where you learned something new about whales and dolphins today! Also, ask away! If you have a question about something you found on the beach or just something you’re curious about just send an email to info@beachchairscientist.com or tweet us!
There are plenty of candidates. The deep-diving, plankton-feeding megamouth shark was discovered as recently as 1976 and is only known from 40 or so specimens. A group of species called “river sharks” seem pretty rare. Some have been described from just a single collected specimen. There are many deep sea sharks that have only been […]
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