Mongol Empire rode wave of mild climate, says study
Researchers studying the rings of ancient trees in mountainous central Mongolia think they may have gotten at the mystery of how small bands of nomadic Mongol horsemen united to conquer much of the world ...
A plague in your family: The independent evolution of harmful organisms from one bacterial family
For the first time, researchers have studied the Black Death bacterium's entire family tree to fully understand how some of the family members evolve to become harmful.
Tiny plant fossils a window into Earth's landscape millions of years ago
Minuscule, fossilized pieces of plants could tell a detailed story of what the Earth looked like 50 million years ago.
Pollen and clouds: April flowers bring May showers?
The main job of pollen is to help seed the next generation of trees and plants, but a new study from the University of Michigan and Texas A&M shows that the grains might also seed clouds.
Genome could unlock eucalyptus potential for paper, fuel and fiber
From antiseptic oils to the construction of didgeridoos, the traditional Australian Aboriginal wind instrument, the eucalyptus tree serves myriad purposes, accounting for its status as one of the world's ...
Genes tell story of birdsong and human speech
His office is filled with all sorts of bird books, but Duke neuroscientist Erich Jarvis didn't become an expert on the avian family tree because of any particular interest in our feathered friends. Rather, ...
Field study shows glassfrog embryos hatch early if not well cared for by parent
International team maps 'big bang' of bird evolution
The genomes of modern birds tell a story of how they emerged and evolved after the mass extinction that wiped out dinosaurs and almost everything else 66 million years ago. That story is now coming to light, ...
Climate change caused empire's fall, tree rings reveal
(Phys.org) —A handful of tree ring samples stored in an old cigar box have shed unexpected light on the ancient world, thanks to research by archaeologist Sturt Manning and collaborators at Cornell, Arizona, ...
Research shows that sea urchins, sand dollars thrived with time
A new study about echinoids—marine animals like sea urchins and sand dollars—gives scientists a reason to rethink a classical pattern of evolution. Fossil-based studies have traditionally indicated that ...
Capturing ancient Maya sites from both a rat's and a 'bat's eye view'
A trip to the Guatemalan jungle usually nets a few souvenirs: Photographs of Maya ruins, bragging rights about encounters with venomous snakes, perhaps a bug bite or two.
Calculating evolution: Program predicts the development of influenza viruses
For a long time, prognoses forecasting the evolutionary future of organisms were considered mere speculation. Together with researchers from Cambridge and Santa Barbara scientists at the Max Planck Institute ...
Why "brontosaurus" is no longer a dirty word for dinosaur hunters
A team of palaeontologists is claiming to have "resurrected" Brontosaurus, the famous long-necked, pot-belled dinosaur. No, they haven't conducted some mad DNA cloning experiment. They have built a big ne ...
Dinosaur family tree gives fresh insight into rapid rise of birds
The most comprehensive family tree of meat-eating dinosaurs ever created is enabling scientists to discover key details of how birds evolved from them.