The terms positive logic and negative logic refer to two conventions that dictate the relationship between logical values and the physical voltages used to represent them. Although the core concepts ...

Breast cancers that are positive for estrogen receptor (ER) and negative for human epidermal growth factor receptor 2 (HER2) (hereafter referred to as ER-positive) are the most common subset of breast ...

Every nonconstant meromorphic function in the plane univalently covers spherical discs of radii arbitrarily close to arctan $\sqrt 8 \approx$ 70 ⚬ 32'. If in addition all critical points of the ...

Negative thinking considers the weaknesses of human nature, the disadvantages of change, and how things can go wrong. Positive thinking considers the goodness of people, the advantages of change, and ...

There are two main types of bacteria, and these categories reflect the microbes' biology and their vulnerability to different antibiotics. When you purchase through links on our site, we may earn an ...