Water providers are removing toxic PFAS chemicals from drinking water, but current methods are energy intensive. Temple researchers are looking at alternative technologies. Temple University ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

This widely used method of calculating returns considers a portfolio's cash flows Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Chip Stapleton is a Series 7 and Series 66 ...

If bad actors get their hands on your personally identifiable information (PII), they can use it to swindle, impersonate, or even endanger you on the internet—and in the real world. One of the prime ...