The science of making fruits and veggies last...

In seven years as a political prisoner in Venezuela, activist Leopoldo López kept asking one question: Who holds the keys to freedom? Now the leader of an alliance of dissidents and exiles from more than 60 countries, he makes the case that open-source, decentralized technology c ...  Show more

Katie Paris quit her career in Washington, DC, to figure out how to make politics feel less like strangers shouting at each other and more like friends looking out for each other. In this practical talk, she reveals why conversations between real people can have a bigger impact o ...  Show more

It's a hard nut to crack: in order to prevent food waste, we rely on plastic packaging and refrigeration, which harm the environment. What if we could turn to nature to address these challenges? Engineer and chemist Jenny Du shares how a simple plant-based innovation — using the ...  Show more

If food waste were a country, it’d be the third highest emitter of greenhouse gas emissions after China and the US, says Apeel Senior VP of Operations Jenny Du. Following her talk at TED2025, Du sits down for a conversation with host Sherrell Dorsey on how her lab is creating pla ...  Show more

As many of us gear up for the annual Christmas feast, some of you may be wondering how to eat everything before it goes off. It’s a great question, as the UN puts global food waste at a whopping 1.3 billion tonnes a year – that’s one third of all edible produce being thrown in ...

Many people across the world don't have access to healthy food -- while in other places tons of food go to waste. Social entrepreneur Ndidi Okonkwo Nwuneli thinks we can take bold steps to fix this problem. She lays out what it would take to build a more equitable, sustainable fo ...  Show more