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Posts Tagged "ice ages"

The Artful Amoeba

Pesky Glaciers and Differing Geography Forced Faster Conifer Evolution in Northern Hemisphere


Southern conifer species have had it easy over the past 65 million years — especially compared to their hard-knock northern kin. Unlike their Southern Hemisphere cousins, whose northward-drifting continents continued to host stable habitats with cozy, Club-Med like conditions similar to those in which these conifers evolved, northern hemisphere conifer species were forced to cope [...]

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Life, Unbounded

Astrobiology Roundup

The Ghost of Astrobiology Past

The range of topics relevant to astrobiology is pretty staggering – from microbial populations, chemistry, geo-chemistry, geobiology, climate, non-linear systems, solar system exploration, robotics, planetary science, exoplanets, astrophysics, and even cosmology. I often call astrobiology an ‘inter-discipline‘, since so much of it is about the connecting threads, the metaphorical synapses between highly specialized areas of [...]

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