The International Tennis Integrity Agency said the 29-year-old Oliveira was tested on Nov. 25 while competing at an ATP Challenger event in Manzanillo, Mexico and the A sample was positive for the ...

Antitachycardia pacing (ATP) refers to the use of pacing stimulation techniques for termination of tachyarrhythmias. Such techniques can be automatically applied using implantable cardioverter ...

Northwestern Medicine scientists have discovered new details about how the human genome produces instructions for creating ...

Cyanobacteria began contributing oxygen to Earth's mostly noxious atmosphere more than 2 billion years ago. The photosystem ...

Juan Martin del Potro, Stan Wawrinka, and Guillermo Vilas. Twenty-nine men have held the world No 1 ranking on the ATP Tour – but there are plenty of other legendary players worthy of celebration.

Based on the interlocking structure of chainmail, this material has all the best parts of both solids and liquids.

Myosin II plays the most important role in cellular force generation. Myosin II molecules self-assemble into filaments with different structures depending on myosin II isoforms and other conditions ...

Rice University researchers have revealed novel sequence-structure-property relationships for customizing engineered living ...

Structure-based drug design is the design and optimization of a chemical structure with the goal of identifying a compound suitable for clinical testing — a drug candidate. It is based on ...

Bioenergetics is the branch of biochemistry that focuses on how cells transform energy, often by producing, storing or consuming adenosine triphosphate (ATP ... a cryo-EM structure of a distinct ...

Low-density lipoproteins (LDL) - commonly known as bad cholesterol - have long been on scientists' radar as a major ...