A bike shaped like a sperm that delivers sperm?! We can not make this up.
We also have weird and wacky royal wedding souvenirs, gorgeous satellite photos of Earth, a company that gives bonuses to workers who recycle, and more in our roundup of the best photos on TreeHugger this week.
The Custom-Made 'Sperm Bullitt': Making a Special Delivery...Copenhagen is a paradise for cyclists and a city that the rest of the world could learn a lot from. One of the things that make biking so convenient there is the use of cargo bikes. The 'Sperm Bullitt' belongs to the Nordisk Cryobank (European Sperm Bank).
The 'sperm bike' is used to carry donor samples to fertility clinics around Copenhagen in an environmentally-friendly way, and it also serves as an attention-grabbing advertisement for the sperm bank.
Read the full story: The 'Sperm Bike' Carries Donor Samples to Fertility Clinics Around Copenhagen
Photo: European Sperm Bank