These unmanned aerial vehicles can fly at high speeds, detect intruders, do aerobatic maneuvers like loops, rolls, spins, and hammerheads effortlessly and communicate with each other intelligently.
Prime Minister Tony Abbott on Tuesday led a shocked nation in mourning the death of 2 Australians who lost their lives at the cafe siege in Sydney that ended with the killing of lone Iranian-born ISIS sympathiser who took 17 people hostages, including 2 Indians.
You don't have to be a nature-lover to appreciate these captivating shots taken from around the world. The Natural History Museum has released its shortlist for its celebrated People's Choice Award -- a title that lauds the very best of wildlife immortalised by the lens. This remarkable gallery of finalists was selected from almost 50,000 submissions from 92 countries. From birds bursting with colour to giraffes to fish we're not used to seeing -- here are some of the pictures.
Stunning photos have revealed incredible secrets of the underwater world, with the winners of the 2018 Underwater Photographer of the Year award announced. German photographer Tobias Friedrich has been named Underwater Photographer of the Year 2018. More than 5,000 images were submitted this year by photographers from around the world. UPY was once again kind enough to share some of this year's honourees with us below, with captions written by the photographers.
