Learn how to write the trigonometric equation of a graph step by step by identifying the key features that shape sine and cosine functions. You’ll see how to find the amplitude, period, midline, phase ...

Oxygen isotopes data enable researchers to look far back into the geologic past and reconstruct the climate of the past. In ...

This important study combines optogenetic manipulations and wide-field imaging to show that the retrosplenial cortex controls behavioral responses to whisker deflection in a context-dependent manner.

Raven La Fae, a 32-year-old artist in Calgary, Canada, has always been able to predict their menstrual periods almost to the day; it arrived every 28 days and lasted for five. But after contracting ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Qin Rao, MD, is a ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

Each line segment of a distance-time graph represents one part of a journey. A distance-time graph, sometimes referred to as a travel graph, is a way of representing a journey. It is helpful to have ...

Whether you've got a holiday coming up or a big event to work around, there are plenty of reasons you might want to induce your period. But, can you actually induce your period? And is it safe to do ...

Weight gain during your period is temporary and usually ends once the period is over. Eating complex carbohydrates and reducing salt may help lessen weight gain during periods. Severe PMS symptoms may ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Chip Stapleton is a Series 7 and Series 66 license holder, CFA Level 1 exam holder, and ...