Scientists have discovered microplastics in the snow near some of Antarctica's deep field camps, revealing how far-reaching ...

That's the way one scientist puts it — referring to how infected wild birds survive long enough to spread it to birds and mammals around the world. And that's a serious risk for human health.

Since Krystyna Clarke and her husband, Dr. Michael Clarke, retired, they’ve run in some races and traveled. Recently, though, Krystyna Clarke combined both.