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Scientists come in many stripes. But picture a mid-20th century biochemist -- do you see a white man in a black and white photo? Many might do the same. Miriam Michael Stimson made fundamental discoveries to the structure of DNA while also being a Catholic nun. She never got the accolades her contemporaries like Watson and Crick got.

The way we think about sex is wrong. Many people believe that biological sex is binary: either you’re male or you’re female. But as with many binaries, things are more complicated than they seem. Sex is a spectrum, just like gender, just like anything.

The southern border of the United States has been a focus point for American politics for years, and the 2016 presidential race cast a spotlight on the already controversial region. What the pundits and politicians may not have considered is that borders don’t just affect humans—they also impact the lives of animals that live around them. How do you care for green sea turtles as they migrate from US jurisdiction to Mexico's?

There's a difference between tap water and bottled water. It's in the water, and you're drinking it. Hint: it's the plastic bottle. Researchers looked at a variety of different foods, including salt and honey, and found little pieces of plastic in all of them. It's also in the air, and you're breathing it in. Are there repercussions to all this plastic in our bodies?

Plastic is everywhere. If you live in a city, you might not be surprised to see plastic litter just everywhere. Maybe you want to go for a nice relaxing mountain climb in the Pyrenees Mountains, to get away from all that. Sorry to say, there's plastic there too. Researchers found small pieces of plastic even on remote mountaintops, carried on the air like dust or pollen. Is there anything we can do to stop the spread of plastic?