[ad_1] CNN — Building Amsterdam’s North-South metro line was big trouble – a budget-blowing 15-year operation that involved carefully burrowing beneath the foundations of centuries-old architecture. For archaeologists tasked with sifting through soft mud to preserve any history disturbed by…
[ad_1] Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — The discovery of 330 stone artifacts in Kenya that date back 2.9 million years is throwing light…
[ad_1] Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — Neanderthals living 90,000 years ago in a seafront cave, in what’s now Portugal, regularly caught crabs, roasted…