Think of an object made of iron: An I-beam, a car frame, a nail. Now imagine that half of the iron in that object owes its existence to bacteria living two and a half billion years ago. That's the ...

MADISON, Wis. -- Think of an object made of iron: An I-beam, a car frame, a nail. Now imagine that half of the iron in that object owes its existence to bacteria living two and a half billion years ...

Think of an object made of iron: An I-beam, a car frame, a nail. Now imagine that half of the iron in that object owes its existence to bacteria living two and a half billion years ago. That's the ...

Beyond war and peace, Dr Andrew Pontzen explores how iron has shaped human biology and culture. From weapons to ploughshares, iron holds a key place as the element for the tools of the rise and ...