A humanoid dental patient robot, named Hanako Showa, about to be used during a demonstration of dental treatment at Showa University on March 25, 2010 in Tokyo, Japan. The robot was co-developed by the university and tmsuk co. Ltd, and simulates real human patients. The robot has been used for training of procedures in which the dental treatment requires a high level of precision. (Photo by Koichi Kamoshida/Getty Images)

The possible surface of TRAPPIST-1f, one of seven newly discovered planets in the TRAPPIST-1 system that scientists using the Spitzer Space Telescope and ground based telescopes have discovered. (Photo by Reuters/NASA/JPL-Caltech)

A family of refugees shelters under a truck carrying plastic lota, kettles used to perform Muslim ablutions in Muna Garage, Maiduguri, Nigeria February 16, 2017. (Photo by Paul Carsten/Reuters)

Commuters use a plastic sheet to take shelter from rain as they ride through a waterlogged road in Ahmedabad, India, July 27, 2016. (Photo by Amit Dave/Reuters)

Slovenian artist Franc Grom, aged 72, makes unbelievably intricate egg sculptures using just a tiny electric drill and enormous patience. According to National Geographic, when finished, each egg contains approximately 2,500 to 3,500 holes. While Slovene artisans usually paint their eggs using a technique called drsanka by lightly scratching intricate patterns into the surfaces of colored eggs, carving them was solely Grom’s idea.

Self-employed pedicab driver Danilo Guerra, 25, uses his mobile phone as he waits for clients in downtown Havana April 12, 2016. (Photo by Alexandre Meneghini/Reuters)

Eghy (L) uses his makeshift snorkel as his colleague lifts up green mussels to their boat in Jakarta Bay, Indonesia, April 20, 2016. (Photo by Reuters/Beawiharta)

Animal rights activist, stained with fake blood, perform during a protest against the use of animal skins in the clothes and fashion industry, in Madrid, Sunday, December 10, 2017. (Photo by Francisco Seco/AP Photo)