2015 has been an exciting year for science news and insights. Digital Journal looks back at the year in science and selects the 12 most interesting stories that have impacted people's lives around the world.
Emperor penguins are known for being shy, and this can be a challenge for biologists who are studying them. When these penguins are approached by researchers, their heart rates rise and they back away.
Air pollution is known for its effects on the health and well being of people all around, but now reports have indicated that the bad air in Asia is now causing the severity of storms in the Pacific to increase.