Plutonium-239 is an artificial isotope in nuclear energy and technology. It's not usually found in nature, produced primarily in nuclear...

Nuclear energy uses the power of the atom, the fundamental constituent of matter. Atomic energy is released through nuclear fission or...

Spacecraft re-entry in the atmosphere has consequences. Many survive intense heat and friction through ablation, drawing heat away from...

Spacecraft re-entering Earth's atmosphere must navigate intense heat and friction. Primary defenses against burning up include heat...

The modern Israel-Palestine conflict has torn up Middle East for over a century. Israel and Palestine both claim rights going back to...

Wildfires rage through forest, savannah and even urban regions. Frequency and intensity of wildfires increase dramatically as they're fed...

The Yemeni civil war is a freedom fight and humanitarian disaster. Millions suffer starvation and human rights violations due to...

Biological warfare is one of the most dangerous forms of attack. Many organisms naturally replicate and spread, while others introduce...

Hamas and Fatah are the two main political parties of Palestine, with Hamas controlling the Gaza Strip and Fatah governing the West Bank....

The Gaza Strip is a narrow territory bordering Israel, Egypt and the Mediterranean Sea. It's one of the most densely populated areas in...

OPEC emerges from a morass of political upheaval and economic shifts to consistently influence oil production and pricing worldwide. Its...

Transistors are semiconductor devices, operating like electric switches. Today billions of transistors can fit on a microchip. Hundreds...

Yemen, at the southern tip of the Arabian Peninsula, is a country long in conflict. Recent US military airstrikes targeting Houthi forces...

Canada's space program includes the Canadarm2, an extendible arm on the International Space Station, and multitalented robot Dextre....

Mineral oil is a petroleum product with vast uses in health and cosmetics, robotics, food and industry. In 1859 Edwin Drake successfully...

Nine countries have nuclear arsenals: Russia, the United States, China, France, the United Kingdom, Pakistan, India, Israel and North...

Myanmar (Burma), has a rich cultural heritage but violent history of conflict, military rule and civil unrest. Brutal changes and warfare...

The Maillard reaction is a process in browning and flavor enhancement for food such as chicken, steak, bread and roast marshmallows. As...

Listeria is a genus of bacteria with major effects on human health and the environment. Many Listeria bacteria are beneficial, but...

Syphilis is a sexually transmitted infection (STI) of obscure origins, a spotty history and massive impact. In the Renaissance its...