Known as the 'silent killer’, this fatal, odourless, and colourless gas is produced when fuels don’t burn completely, ...

Ratnapura is the island's "gemstone capital", where miner Samaranayakege has been living his whole life. "There isn't any ...

As A2Ls become more popular, students and technicians need to be trained on how to handle these mildly flammable refrigerants ...

Type 2 diabetes causes a person’s blood sugar levels to become too high. Early signs of type 2 diabetes include increased thirst, frequent urination, and tiredness. Type 2 diabetes is a common ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

Early signs of sepsis may include severe pain, shortness of breath, and mental confusion. Sepsis starts with an infection in any part of the body and spreads through the blood. When this happens, your ...

Early signs of HIV can include fatigue, rash, fever, chills, headache, sore throat, swollen lymph nodes, muscle aches, oral thrush, and night sweats. Some symptoms appear in the early stage of HIV, ...

They don’t understand the effect their behavior has on other people. People who show signs of narcissism can be charming and charismatic. They often don’t show negative behavior right away ...

Lupus is an autoimmune condition that can cause pain, problems in multiple organs and systems of the body, inflammation, and complications that range from minor to life threatening. The body’s ...

“At the moment when the [pyrotechnic] fountains were activated, the sparks most likely hit the ceiling, which is made of flammable material ... and hand and is on oxygen support,” Nikolovska ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis.