Stress isn't always a bad thing; it can be handy for a burst of extra energy and focus, like when you're playing a competitive sport or have to speak in public. But when it's continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the...

When tech journalist Madhumita Murgia began researching data brokers -- companies that collect and sell individuals' personal data -- she wasn't remotely prepared for the deep, dark rabbit hole she was about to descend into. Online anonymity is dead, your smart TV is spying on you, and private companies know what Star Wars memorabilia you're loo...

Madhumita Murgia chronicles the rising use of biological data - from faces to voices and DNA - by companies whose products we use every single day. By giving away this sensitive data for free, we open ourselves up to potential crimes, discrimination and even mass surveillance. She wants each one of us - anyone who uses the internet - to stand up...

Stress isn’t always a bad thing; it can be handy for a burst of extra energy and focus, like when you’re playing a competitive sport or have to speak in public. But when it’s continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the...