We've already talked about how mullets can help you go faster on your bike, because they are the most aerodynamic of all hairstyles. But sporting a speedmullet all day would be kind of like going to work in cycling gear, i.e. douchey. Luckily, a dude in San Diego (where else?) has invented an artificial mullet that comes with a headband, so you can slip in and out of it to suit whether you happen to be feeling mullet-y.

The Swedish company Lelo -- it makes sex toys and "back massagers" that are also sex toys -- thought it would be a hilarious April Fools' joke to pretend it had made a sustainable vibrator called the GÄSM. What made it "sustainable"? Well. It was forest green. It was made out of recycled material, like recycled wood pulp and tires. It was also powered by a twirling Allen wrench, and you had to put together the thing yourself, features that went well with its IKEA-like font, name, and packaging.

Facebook has a lot of money. And it needs to do cool stuff with that money or it won't make more money. Cue its new Frank Gehry-designed addition to its Menlo Park, Calif. headquarters, which features a giant green roof. Yes, Facebook is a little annoying what with its young, I-kill-my-own-animals-CEO and its "Lean-In" "feminism" and its ubiquitousness that we hate and have somehow also caused. But this 450,00o-square-foot green roof looks pretty nice.

Almost all Americans now have access to recycling programs. But only about 30 percent of recyclable plastic bottles, for example, end up getting recycled. Why is this? It's because people are lazy. Or, more gently, most people are "convenience recyclers" -- they don't recycle because they can't be bothered to separate their trash. So here comes the Solecan -- the can that makes your inability to recycle truly embarrassing.

Back in a dark season of 2011, a mean cat tried to eat this squirrel. She was rescued by Louisiana native Shyla Mouton, who named her "Winkelhimer Smith," because a person named "Shyla Mouton" has clearly got skewed ideas about what names are normal. And now she's dealing with her trauma from the experience through squirrel art.

Eighteen inventive and intrepid graduate students at Newcastle University in England have teamed up with engineers and architects and built a café out of recycled plastic bottles and cardboard. Not only is it made out of neat stuff, the café can also be dismantled quickly, flatpacked, and moved to other locations very easily. So if over-stressed students can't go out and get coffee, coffee could potentially come to them.

They may look innocent, but about 50 percent of the koalas in Australia have chlamydia. The koala population is also threatened by a koala retrovirus called KoRV, which is similar to HIV. These diseases are no joke for these at-risk mammals -- in the states of New South Wales and Queensland, about 40 percent of the koala population has died since 1990, and in some areas of Southwest Queensland koala populations have dropped by 80 percent from STDs and drought. That is why it is such good news that scientists seem to be coming up with some ideas as to why some koalas survive infection with chlamydia and KoRV and others do not.

After the murders in Newtown, specially trained therapy dogs were brought in to help the survivors. Now on the day following the horrific bombings at the Boston Marathon, these same dogs, trained by Lutheran Church charities near Chicago, are being deployed to help victims in Boston.

As people concerned with the environment, we are always worried about things like how much we fly, if our food is organic, and whether we recycle. But there's something else that we don't directly control that is perhaps even more important to the safety and longevity of the planet, and that's the efficiency  of our urban roads and highways. And if you care about such things -- and you should -- you might be interested to know that a recent study shows that among the 12th largest urban areas in United States, Miami -- Miami! -- has the most efficient, lowest-impact road system of all.

That is one hell of an adorable animal. And a special one too -- Champa, an Asiatic black bear, is the first bear ever to undergo brain surgery.