Wildebeest carcasses, casualties of the world’s largest overland animal migration, pile up annually on the banks of the Mara River in Africa and play a crucial role in vibrant ecosystem of the Serengeti plains, a new Yale-led study has found.
If you pit a pair of gladiators, one strong and one weak, against each other 10 times, the outcome will likely be the same every time: The stronger competitor will defeat the weak. But if you add into the field additional competitors of varying strength...