NASA is researching a number of different methods of deep space propulsion, from solar sails to thermal fission, all of which present their own benefits and challenges. As propulsion technology advances, humanity will be able to reach farther into space, subsequently deepening our understanding of the universe in which we live.

Researchers used surveys, experiments, observational studies, and meta-analyses to explore how informed people can still be at odds with scientific conclusions. To win over skeptics, the scientific community needs to do a better job of communicating with them and using scientific data smartly, rather than simply presenting facts and figures.

Ireland's Parliament has passed a bill that stops the country from investing in fossil fuels as part of an €8 billion government fund. Ireland’s divestment is the most aggressive move taken against fossil fuels to date, but they are certainly not alone in their efforts to move towards clean energy.

In the US, approximately 5 million people live with Alzheimer's disease, and about 83,000 die from the illness every year. Some experts have equated living and breathing the air in Beijing to smoking 40 cigarettes per day.