Cheap and savoury fast food becomes a culinary craze in the 1950s, but the quest for convenience may be responsible for causing an irreversible health crisis.

Fifteen international agencies spend $62 billion every year on space travel, fuelled by a costly and dangerous drive to explore the universe.

China has become a global economic powerhouse in the 21st century, while the rest of the world was slow to notice its rise to the top.

Plastics have transformed the way people live, but this transformation has resulted in 7.8 billion tons of waste, a steep price to pay for progress.

Oil brings great wealth to the Middle East while igniting many wars. It is both a blessing and a curse for the region as well as the rest of the world.

Humans share the planet with approximately 9 million robots, from self-driving cars to surgical arms.