Changing Main Blog Now. Everything Before This Is My Study Abroad Experience In Costa Rica

What a Nut!— Invasive Species Week

This ctenophore (a stingless jellyfish-like animal) called a sea walnut is native to the east coast of North and South America. In 1982, it was discovered in the Black Sea, where it was transported by ballast water. It subsequently spread to the Caspian Sea. In both places, it multiplied and formed immense populations. The sea walnuts contributed to the collapse of local fisheries because they feed on zooplankton that the commercial fish also consume. Mnemiopsis leidy has also been discovered in the Mediterranean, Baltic, and North Seas.

Photo Credit: Marco Faasse, World Register of Marine Species

Turtle by TomMeyer

North Cascades National Park, Washington

A night in the Cascade Mountains

Marine Life of the Maritime Provinces, Canada

After months of work and waiting, here is at long last the full MARS commission. MARS (Marine Animal Response Society) is active in the Maritime Provinces of Canada, and is called upon whenever a marine creature is found dead or in distress. These illustrations will be used to educate their volunteers and assist in making species identifications during strandings or at sea.

With 42 separate illustrations, this is my largest project to date - quite a load of work! But it was an absolute pleasure to do. I got to paint animals I have never painted before, as well as revisit some old friends. The diversity of species found in this one area is impressive and made for varied painting.

I’m pretty pleased seeing them all together like this, and I hope you’ll enjoy them too! 

by daviddoubilet

None Like It Hot

By Joylette Portlock

July. Long known across the U.S. for fireworks, barbecues, and a desire to stay cool any way we can. Whether it’s air conditioning, swimming pools, beaches or popsicles, the dog days of summer are often reminders that as humans, our comfort depends on an experienced ambient temperature roughly somewhere between 59 and 77 degrees (Fahrenheit).

But what if, instead of 77, it’s a full 40 degrees more: 117 degrees, like it was in California on July 6? Or 105, like it was in Japan last week? Then, it’s more than an issue of comfort; our lives depend on finding a way to stay cool, and in fact more than a hundred people have perished in heat-related deaths globally already this year.

Life in this new age, the Anthropocene, is marked by many things, including a human-caused increase in global heat, commonly referred to as global warming, or climate change. Risk from heat (or wildfires, or floods) is no longer something we have to rely on the overwhelmingly strong scientific consensus about global warming to tell us; every year, climate change impacts are becoming more and more obvious to everyone, whether you have a degree in climate science or not.

Weather and climate are different. Weather is what happens on a day-to-day basis. Climate is the range of weather that we expect and consider normal (i.e., summer is hot) – but normal is changing.

Photo: Graph showing the amount of CO2 in the atmosphere and human population from We Are Nature, on display until September 2018.

We’re now up to over 400 consecutive warmer-than-average months and counting. Carnegie Museum of Natural History’s collections, which span more than 140 years, can help show these shifts in many ways. One of the most important things we can do is to make connections and show the relevance between the basic scientific principles underlying natural phenomena and the evidence all around us; between what’s happening globally and what’s happening locally.

Photo: The growth of plants collected today versus 100 years ago in the same locations, shown in We Are Nature, corroborates the observation of increasingly earlier springtime by documenting earlier maturation of these species.

The globe’s increasing heat is a result of fossil fuel use, food production, and our land use practices. We need energy and food, of course; but it’s critical that we recognize that the systems we impact also impact us. It’s not just our actions, but our interactions with the world around us that are the story. To understand what’s happening and improve our interactions with nature, we have to look at the big picture, and work to meet our needs in ways that minimize disruption to the overall system.

As summer heat waves get longer, more numerous, and more intense (and it seems the whole world is on fire, with deadly fires everywhere from California to Greece to inside the Arctic Circle) one connection is obvious: our need to be cool.

Joylette Portlock, Ph.D., is associate director of science and research at Carnegie Museum of Natural History. She is also executive director of Communitopia, a nonprofit focused on climate change communication, and holds many other roles in the community.

Meet “the sheep of the Mesozoic,” Protoceratops andrewsi. This herbivore was a very common animal and is remarkably well-represented in the fossil record.

Sky Walk on Puente 3 (Bridge 3) in Monteverde, Costa Rica

Why Octopuses Could Never Disappoint 

These cephalopods, who telegraph their moods by color changes and solve problems by using tools, have surprised me again and again.

And now it’s happened again. An octopus has astonished me.

This time, it’s a common octopus caught on camera in South African waters by a dive team for the documentary Blue Planet II, currently airing on BBC America in the United States.

The action is dramatic. A pyjama shark seizes the octopus. Just as the situation begins to look dire, the octopus stuffs the shark’s gills shut using its sinuous arms, making it impossible for the shark to breathe — until the shark releases it.