Evolution Diary

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Entries from January 2007

Political pressures on scientists to downplay threat of global warming

January 31st, 2007 · 1 Comment

Bush administration in hot seat over warming
Lawmakers get survey of scientists, half of whom report political pressure
WASHINGTON – The Democratic-controlled Congress on Tuesday stepped up its pressure on President Bush’s global warming strategy, hearing allegations of new political pressure on government scientists to downplay the threat of global warming. (…)

Tags: General

Does Evolution Select For Faster Evolvers? Horizontal Gene Transfer Adds To Complexity, Speed Of Evolution

January 30th, 2007 · 1 Comment

It’s a mystery why the speed and complexity of evolution appear to increase with time. (…)

Tags: General · Natural Selection

Humans Caused Extinction of Large Mammals during Australia Ice Age

January 28th, 2007 · 1 Comment

An underground trove of fossil skeletons found in Australia suggests humans, not climate change, drove the continent’s large land animals to extinction 40,000 to 50,000 years ago. (…)

Tags: General

Distintive Rodent Discovered in Cloud-forests of Peru

January 26th, 2007 · 1 Comment

Findings shed new light on evolution of Neotropical arboreal rodents
CHICAGO–A strikingly unusual animal was recently discovered in the cloud-forests of Peru. (…)

Tags: General

Hybrid Speciation in Butterflies in Sierra

January 26th, 2007 · 1 Comment

New study considered important step forward in understanding natural selection in plants, animals
RENO, Nev. (…)

Tags: General · Natural Selection