The contrast between forest inside the park boundary and grazing land outside the park boundary is striking.

The contrast between forest inside the park boundary and grazing land outside the park boundary is striking.

I really like this quote: “magnetic reconnection—sometimes called the Universe’s favorite way of making things…

I really like this quote: “magnetic reconnection—sometimes called the Universe’s favorite way of making things…

This animation is cool because it demonstrates the light collection power of ultra-large modern professional…

This animation is cool because it demonstrates the light collection power of ultra-large modern professional…

What an awesome, appropriately-humble quote: “I call this the piñata, because it’s a first assessment that is bound…

What an awesome, appropriately-humble quote: “I call this the piñata, because it’s a first assessment that is bound…

The last time I posted about the fragility of the wheels of Mars rovers, a lot of you commented.

The last time I posted about the fragility of the wheels of Mars rovers, a lot of you commented.