Molecular cooking: boiling vs frying

Cooking steak with Kent Kirshenbaum, who's an associate professor in the Department of Chemistry at New York University. So what's going on at a molecular level when we fry and boil meat?

Trademark chat: Radler, vintage cheese and Bodum

How can you trademark a word like 'vintage'? We speak to intellectual property lawyer Sally Peart of Mitchell Mackersy Lawyers.

Online shopping with Trent Mankelow

Trent Mankelow on the rise of online shopping and some of the challenges faced by bricks and mortar stores to survive.

Farmville demographics

Naomi Alderman writes about the gaming industry and more in the Guardian. She looks at the hugely popular online farm game, Farmville, and how the profile of people playing these social games is changing.

Milk: Deborah Valenze

Historian Deborah Valenze has written a history of milk. She looks at the way it's moved from being a luxury health product to become one of the world's first industrial foods.