University of Bristol

New insights into the origin of birds

Mark Puttick and colleagues investigated the rates of evolution of the two key characteristics that preceded flight: body size and forelimb length. In order to fly, hulking meat-eating dinosaurs had to shrink in size and ...

Feb 23, 2014
4.4 / 5 (13) 3

Cyanide ice in Titan's atmosphere

Gigantic polar clouds of hydrogen cyanide roughly four times the area of the UK are part of the impressive atmospheric diversity of Titan, the largest moon of Saturn, a new study led by Leiden Observatory, ...

Oct 01, 2014
5 / 5 (8) 0

Bats change strategy when food is scarce

Echolocating bats have historically been classified into two groups: 'loud' aerial hawkers who catch flying insects on the wing and 'whispering' gleaners that pick up prey from the ground. While some bat ...

Sep 04, 2014
4.8 / 5 (4) 0

Natural selection can favor 'irrational' behavior

It seems paradoxical that a preference for which of two houses to buy could depend on another, inferior, house – but researchers at the University of Bristol have identified that seemingly irrelevant alternatives can, and ...

Jan 14, 2014
4.5 / 5 (6) 0 | with audio podcast