On Jan. 27, 2017, President Donald Trump signed an executive order banning travel from seven predominantly Muslim countries. The order came just days after proposing tariffs on Mexican imports to pay for an (unpopular) border wall with our southern neighbor.

Photo by Ron Sachs - Pool/Getty Images.

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My son, Tate, and I just got home from the new Pixar movie, "Finding Dory."

Dory's character is a blue tang fish. Image via iStock.

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Disney may have just released its latest animated movie, "Finding Dory," but what scientists are really trying to do is save Dory.

Conservationists are concerned  the movie's popularity may lead to an increase in demand for blue tangs (the type of fish Dory is). There's a number of reasons that's just not good for the fish.

Blue tangs do not breed in captivity, and the increase in demand would require they be taken from their natural habitat. The species' potential popularity could result in a decrease in population if and when these fish start being harvested in large amounts.

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