A newly discovered graveyard of ancient whales in Peru has scientists wondering how on Earth the bus-sized mammals all ended up dying in the same place. "That's the top question," says the director of a nearby museum. Their current location—the middle of a highway under construction on a desert hill—was once a lagoon, scientists say. So maybe an earthquake sealed off dozens of whales there. Or maybe the lagoon dried up. Or perhaps the whales were flung onto shore by a giant wave.
Pretty cool find, especially if you read more into the article and they talk about a dolphin with two walrus-like tusks.