Prof. An Tao from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences has proposed a novel ...
The Discovery That Caught Researchers Off Guard Picture this. December 21, 2019, a regular night shift at the telescope array ...
Harvard astrophysicist Avi Loeb has made a kind of second career out of being the person in the room who refuses to leave “aliens” off the table. With 3I/ATLAS, only the third confirmed interstellar ...
Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...
The human heart, a fist-sized muscle, tirelessly beats billions of times throughout life, powering every cell by delivering oxygen and removing waste. Its rate varies significantly from birth to old ...