Accounting for the gaps in ancient food webs

If you want to understand an ecosystem, look at what the species within it eat. In studying food webs—how animals and plants in a community are connected through their dietary preferences—ecologists can piece together ...

Unearthed: the cannibal sharks of a forgotten age

Scientists have discovered macabre fossil evidence suggesting that 300 million-year-old sharks ate their own young, as fossil faeces of adult Orthacanthus sharks contained the tiny teeth of juveniles.