Living cells pay a hidden energy price not just to run chemical reactions, but to keep them on track and block all the ...

Almost exactly 200 years ago, French physicist Sadi Carnot determined the maximum efficiency of heat engines. The Carnot ...

Using lunar ice to make rocket fuel could help future lunar settlements sustain themselves and provide a launch pad for ...

When a place of work is to be blessed, both those who labor there and those who share the fruit of that labor should be invited to the ceremony. All make the Sign of the Cross. The leader begins: ...

We all scream for ice-cream, especially as temperatures soar in the summer. Ancient civilizations had the same desire for a ...

During World War II, the governments of the United States and the United Kingdom approached the largest U.S. chemical and pharmaceutical companies to enlist them in the race to mass produce penicillin ...