A review of the topoisomerase family of molecular machines that repair DNA ignores where they came from. Another article tries but has no answers.
Much of our plastic debris accumulates in the oceans where it collects in huge revolving garbage patches on the surface called gyres.
The few pathogens among bacteria give a bad rap to the majority that do wonderful things — for us and for our environment.
Scientists are making observations that add to Denton’s case, further constraining the requirements for habitability.
It’s not often that a new functional organ is found in the human body, considering that everything has been dissected and drawn for centuries.