The Dominican Village Where Some Children Only Grow Penises at Puberty
Physical changes during puberty are completely normal, but in Salinas, a remote village in the southwestern Dominican Republic, they are downright extreme. For some of the boys living here puberty is the time they actually grow a penis. Many of the children are born without male genitalia and are raised as girls, but they eventually become men in […]
Goodbye, Potholes! “Thirsty” Concrete Sucks Up Hundreds of Gallons of Water in Mere Seconds
Topmix Permeable is a new type of super-absorbent concrete designed to soak up nearly 900 gallons of water in only one minute! Streets paved with this special, ‘thirsty’ concrete will not flood during storms, and they’ll also remain free of puddles and potholes. Lafarge Tarmac, the company that developed the technology, uses relatively large pebbles […]
Self-Taught Ethiopian Aviation Enthusiast Builds His Own Airplane
In a bid to fulfil his childhood dream of flying a plane, an Ethiopian man has taught himself how to build one mainly by reading aviation books and watching YouTube tutorials! Public Health Officer and Ethiopian Airlines Aviation Academy reject Asmelash Zerefu set about learning to build his own aircraft over a decade ago. It […]