The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Acids are commonly known for their sour taste and corrosive nature, but in chemistry, their strength is defined a bit differently. A strong acid isn’t about how dangerous it is, it’s about how ...

THE natural flow of an oil well may recede either from the exhaustion of the oil supply or as the result of a stoppage of the pores of the oil-bearing rock cutting off the free supply of oil. In the ...