Kaitlin Sullivan

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Counting decapitated sperm and other time-consuming science tasks

Counting decapitated sperm and other time-consuming science tasks

How the ISS recycles its air and water

How the ISS recycles its air and water

Only 10 percent of the world's grasslands are intact

Only 10 percent of the world's grasslands are intact

African swine fever has killed a million pigs—and isn't slowing down
Celebrate Earth day with tonight's amazing meteor shower

Celebrate Earth day with tonight's amazing meteor shower

This ancient hypercarnivore had three sets of razor-sharp teeth

This ancient hypercarnivore had three sets of razor-sharp teeth

Glowing millipede genitalia give scientists a leg up in the lab

Glowing millipede genitalia give scientists a leg up in the lab

Neuroscientists just brought pig brain cells back to life, changing our view of death