In a new study published in the online-open access journal PLoS ONE, Per Christiansen at the Zoological Museum in Copenhagen, Denmark, reports the finding that the evolution of skull and mandible shape in sabercats and modern cats were governed by different selective forces, and the two groups evolved very different adaptations to killing. (…)
Entries from July 2008
Evolution of skull and mandible shape in cats
July 31st, 2008 · No Comments
Tags: General
Dinosaur Slime Sparks Debate Over Soft-Tissue Finds
July 31st, 2008 · No Comments
Soft tissue recently found in 68-million-year-old Tyrannosaurs rex bones is actually modern-era bacterial slime, scientists say, challenging what some call one of the most remarkable paleontology findings of the 21st century. (…)
Ancient Ocean Cooling Sparked a Biodiversity Boom
July 31st, 2008 · 1 Comment
More than 400 million years ago, Earth’s dramatically warmer sea temperatures plummeted to almost present-day levels, opening the door for a boom in biodiversity, new research shows. (…)
Tags: General
Yemen embraces its Jurassic past
July 22nd, 2008 · No Comments
The village of Madar is perhaps an unlikely setting for a major scientific discovery that has been hailed as a ‘new frontier’ for the Middle East. (…)
Grunting fish yield vocal historical clues
July 22nd, 2008 · No Comments
Grunting fish have helped scientists to date the origins of vocal sounds to about 400 million years ago. (…)