Fish in this Arizona lake are living past 100—and scientists aren't sure how

They've survived world wars, the great depression, the atomic age, and the dawn of the internet. They are buffalofish—and many of them are over 100 years old.
Astronomy on MSN

Are any Wolf-Rayet stars observable with a small telescope?

I'm fascinated by Wolf-Rayet stars and want to know more about them. Are some of them observable with a small (4-inch) ...