Popular Aquarium Fish Has Been Thriving in Ukraine’s Polluted Sewers for Decades
A sizeable population of tropical fish native to Venezuela and Guyana has been thriving in the polluted sewer system of Kyiv, in Ukraine, since the 1980s. The ability of guppies (Poecilia reticulata) to adapt to various environments is well documented, but few people would expect to find a full-blown colony of the popular aquarium fish […]
Autonomous Bipedal Robot Can Change Its Own Batteries, Work 24/7
The Chinese-made Walker S2 humanoid robot is the world’s first industrial robot that can replace its own battery, allowing it to operate 24 hours a day, 365 days a year. Unveiled earlier this month by Chinese robotics company UB Tech Robotics, the Walker S2 has been attracting a lot of attention because of its unique […]