Companies that have adapted to boost morale and keep their employees engaged have fared well. This adaptability is a key tenet of Frederick Herzberg’s management theory. Here’s everything you need to ...

Developing a good management team is a critical... The Relationship Between Systems Theory & Employee Relations The Relationship Between Systems Theory & Employee Relations. Systems theory is an ...

A new physics paper takes a step toward creating a long-sought "theory of everything" by uniting gravity with the quantum world. However, the new theory remains far from being proven observationally.

The ‘Three Loves Theory’ is a model for romantic relationships that evolved from the work of anthropologist Helen Fisher. Some people swear by the accuracy of this relationship model; others, like me, ...

Michela Buttignol / Investopedia Rational choice theory assumes that individuals make informed decisions instead of random choices. Rational choice theory states that individuals seek to achieve ...

Sleep Theory are an invigoratingly organic alternative, grown untidily from the ground up. Wielding comparable constituent parts to those in the hands of Vessel and the boys, it’s actually quite ...

Zendaya’s striking all-white suit and hat at the 2025 Met Gala gave new life to a bizarre TikTok meme known as the “Zendaya Big Hat Theory.” Zendaya is something of a style icon, known for ...

At long last, a unified theory combining gravity with the other fundamental forces—electromagnetism and the strong and weak nuclear forces—is within reach. Bringing gravity into the fold has ...

New theory of gravity brings long-sought Theory of Everything a crucial step closer A quantum theory of gravity would clear the path to answering some of the biggest questions in physics Date: ...

The concept based on fate has ties to ancient mythology Ariana Quihuiz is a contributing writer at PEOPLE. She has been working at PEOPLE since 2022. Her work has also appeared in Brides.

There are over 11,000 videos on TikTok using the hashtag "let them theory" Jordana Comiter is an Associate Editor on the Evergreen team at PEOPLE. She has been working at PEOPLE since 2024.