Fish sauce — that funky, flavor-enhancing fermented condiment — is part of what gives Southeast Asian cooking its distinctive taste. But it turns out, this cornerstone of Eastern cooking actually has a long history on another continent: Europe. And it goes all the way back to the Roman Empire.
This is SCIENCE FRIDAY. I'm Ira Flatow. Craig Venter was the first person to ever create a living thing from scratch, a cell, a bacterium, into which was inserted manmade genetic material - DNA. And for all intents and purposes, it was alive, moving, reproducing. It opened up a whole new world of what he and we now call synthetic biology, creating stuff from genetic code as we need it.
Sewage and fertilizer runoff into China's Lake Taihu have fed a nasty bloom: an annual explosion of frothy cyanobacteria, which release neurotoxins into the lake. Hans Paerl, a marine and environmental scientist who studies Lake Taihu, says the warmer temperatures brought by climate change only contribute to the slime's advance.