The most metal way to recycle your water bottles: Make them into DIY rockets

This may not be a sensible alternative to recycling, but it is an excellent alternative to NOT shooting flaming bottles at stuff.

Ask Umbra: Is it cruel to kill insects?

A reader wonders if it’s OK to wear earrings made of butterfly wings. Umbra wants you to weigh in.

You can help track the inexorable progress of this year’s cicada infestation

Every 17 years, the cicadas come. This time, we're prepared.

The Gates Foundation will pay $100,000 for a better condom

The foundation is offering a grant for developing "the next generation of condom." By which it means, one that makes sex feel better, or at least not any worse.

Want to save the planet? Shrink your habitat — not just your apartment

All that recycling and bicycling and turning off the lights? It’s completely undone the second you step onto an airplane.

This dude jumping his skateboard over subway tracks is both crazy and CRAZY AWESOME

And, one might argue, way less concerned than he should be about the poor subway driver who'd be traumatized by killing him.

For some reason, Emma Watson thinks getting naked will help the environment

We don't entirely get the green angle here.

5-year-old discovers dinosaur, names it after herself, drops mic for the rest of her life

It's poignant to see a child who's peaked before she even finishes kindergarten, but I'm not sure how 5-year-old Daisy Morris is going to top this one.

Let’s just watch baby eagles all day

These little guys are only a few days old, and you can watch them eat, cuddle, look like Doc Brown, and other baby eagle activities.