Why are there so many species of beetles and so few crocodiles?

There are more than 400,000 species of beetles and only two species of the tuatara, a reptile cousin of snakes and lizards that lives in New Zealand. Crocodiles and alligators, while nearly 250 million years old, have diversified ...

Beachcombing for early humans in Africa

(Phys.org) —From the earliest modern humans to the present day, our species has evolved dramatically in both biological and behavioural terms. What forces prompted these momentous changes?

Study explains the worldwide variation in plant life-histories

University of Exeter ecologist Dave Hodgson works with other academics to manage a plant database called COMPADRE that brings together demographic information about plant species. This database has been used to show plant ...

Study: Rare deep-sea starfish stuck in juvenile body plan

A team of scientists has combined embryological observations, genetic sequencing, and supercomputing to determine that a group of small disk-shaped animals that were once thought to represent a new class of animals are actually ...

Culture may explain why brains have become bigger

A theory called the cultural brain hypothesis could explain extraordinary increases in brain size in humans and other animals over the last few million years, according to a study published in PLOS Computational Biology by ...

New instrument sifts through starlight to reveal new worlds

An advanced telescope imaging system that started taking data last month is the first of its kind capable of spotting planets orbiting suns outside of our solar system. The collaborative set of high-tech instrumentation and ...

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