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...
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.