All posts by Melissa Gaskill

Melissa Gaskill is a freelance science writer based in Austin, Texas. Her work has appeared in Nature Conservancy Magazine, Scientific American, The New York Times, Alert Diver, Men’s Journal and many other publications.
Bighorn Sheep Have a Problem with Their Domestic Relatives

Running With The Herd: A NATURE Short Film

Bighorn Sheep Have a Problem with Their Domestic Relatives

Bighorn sheep (Ovis canadensis) can catch a bacteria, Mycoplasma ovipneumoniae, from domestic sheep that causes pneumonia in the wild sheep and, often, death. Researchers noted a correlation between the introduction of domestic sheep and the rapid disappearance of bighorn sheep as early as 1928 and pneumonia remains a significant problem for the wild species today.

No Brain? For Jellyfish, No Problem
No Brain? For Jellyfish, No Problem

Are brains over-rated? After all, jellyfish lack them, yet carry out sophisticated functions and a complex reproductive cycle. Their lack of a nervous system control center even confers some advantages, such as the ability to lose a chunk here and there with little harm done.