Evolution Diary

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Entries from July 2008

Evolution of skull and mandible shape in cats

July 31st, 2008 · No Comments

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. (…)

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. (…)

Tags: Dinosaurs · General

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. (…)

Tags: Dinosaurs · General

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. (…)

Tags: General · Videos