The Pulse Archive

Anti-fluoridation activists gain powerful allies in Robert F. Kennedy Jr. and a court win against the EPA, to the dismay of public health leaders.

A look at what motivates everyday people to effect change, both in their own lives and the wider world.

Two strangers connect on a video chat website and instantly feel an undeniable bond, but there is one huge problem: Neither of them is single.

Experts say the app could lead to new insights on relationships, as well as help students cope with the anxiety of dating.

Logan Ury discusses the science behind dating, how to make meaningful connections online, and how to avoid common pitfalls.

We explore the complicated world of modern dating, and what science has to say about how to find love.

Scientists found their work under threat during the first Trump administration. This time, they have contracts to protect them.

An alarming study on black plastic had a major math error. But it reveals bigger questions that have yet to be addressed.

A look at the potentially harmful things we’re exposed to and how they affect us.

Sleep researcher Olivia Walch explains why regularity and darkness are key when it comes to getting great sleep.

A Norfolk Southern train derailment in East Palestine, Ohio, spilled chemicals, sickening residents. Now researchers are tracking the long-term health effects.

We look at the DIY medicine movement, and what’s prompting a growing number of patients to experiment with treatments on their own.

Computer models helped decode whale communication. But some scientists say there are barriers that cannot be overcome.

We explore efforts to communicate with other species, from plants and animals to extraterrestrial life.

From new technologies to our fight against climate change, we look at what it takes to create the future.