Tag: Science

Stem cells replenish organs with vigorous young cells when old one age out. However, stem cells’ ability to do so tends to weaken as we age.

Calcium as the key ingredient in batteries has shown promise as a replacement for lithium, which is not only expensive but has become environmentally controversial as more mines are proposed for sensitive areas.

For years, scientists have been engineering bacteria to carry out specific tasks from producing pharmaceutical drugs to digesting toxic waste into benign materials.

A new combination of machine learning and 4D printing is enabling scientists to tell a computer program what mechanical or physical characteristics they want in a material and then sit back and have the program design it. 

Chocolate is made from seeds extracted from pods that grow on cacao trees. Once the seeds are harvested, the pods and much of the rest of nature’s packaging are trashed.

Natural gas – methane with a dash of propane and ethane – has the potential to be turned into a range of products more valuable than fuel.

Omar Yaghi shared chemistry’s 2025 Nobel Prize for helping to invent reticular chemistry, which links molecular-scale building blocks through strong chemical bonds to create materials called metal-organic frameworks (MOFs). 

Plastic and epoxy resins are made from petroleum, in part because the carbon in petroleum creates strong bonds that hold the materials’ long chains of molecules together.

Horse Powertrain has a good thing going. A 2023 spinoff from a partnership between Renault and Chinese EV maker Geely, it has emerged as the world’s third-largest maker of auto engines, supplying Nissan, Volvo, and other companies as hybrid cars’ sales have soared in the past three years.