Ancient humans ate giant Aussie birds' eggs into extinction

About 50,000 years ago, Australia was home to a flightless bird species known as Genyornis newtoni. This wasn't a bird like you or I know them -- they grew to be almost 7ft tall and weighed hundreds of pounds. Still, those formidable birds first hatched from small (relatively speaking) eggs, and those eggs were apparently tasty to humans who lived …