We usually think of speciation as a bifurcating process -- a single lineage splitting into lớn two. The relationships of those species can often be determined using DNA sequences. But we know that there are exceptions, lượt thích horizontal gene transfer in bacteria. And hybrid speciation in plants. These…

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Rethành viên this?Now Sitháng Ovens interviewed several key players in this game - Pulitzers mở cửa khổng lồ Online-Only Entrants -- But Who Qualifies? It"s longish, but worth your attention:He did, however, confirm that a blog could hypothetically qualify. "If one or two people điện thoại tư vấn their trang web a text-based…
This is a really cool study. It"s been known for some time that species of insects infected by the intracellular parasite Wolbaphân tách are occasionally infertile with uninfected members of their own species, & hypothesised that this might cause speciation to occur. What nobody toàn thân that I read, at any…
Hybrids are sort-of a mystery in evolutionary biology. In the stricthử nghiệm sense, they shouldn"t exist because the offspring are often sterile or reproductively impaired. It is lớn a species evolutionary benefit khổng lồ limit the number of hybrid offspring in most cases, so biologists often attribute…
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You can also siêu thị using Amazon Smile and though you pay nothing more we get a tiny something.

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Wow. Every person on the planet saw one version or another of this "Octopolis" story and had to lớn send it to me. It was the subject of a Friday Cephalopod a year ago, you know.Apparently, this is the second octopus city discovered, which is interesting -- they"re exhibiting more complex social…
Pale, drifting quietly, long grasping arms, cold and anoxic…we all float down here.Yes, I"m going to lớn go see It this evening. It won"t be half as creepy as the reality of the dark deep, though.

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First, a little background:When squid mate, a male transfers its sperm to a female enclosed in complex structures called spermatophores. These are accumulated in the spermatophoric sac, a storage organ inside the mantle cavity, before ejaculation through the penis. Squid that spawn in shelf waters…
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Just a little video clip và some pictures from today"s March for Science, Minnesota. This one from the march route on the way khổng lồ the capitol. Skip ahead to lớn about 1:12 go get the best chant:Another Clip, this one from The Hedge:You don"t see this sign at many protests:Mammals were welcome at the march:And, now, Here is my extraordinarily well timed Facebook Live post
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"I"m a dreamer. I have sầu to dream và reach for the stars, & if I miss a star then I grab a handful of clouds." -Mike TysonIt"s been another busy but fun week over at the main Starts With A Bang blog, where we"ve sầu gone & looked at:A Flight Without Stars (for Ask Ethan),Building your own iron-rich star (for our Weekover Diversion),A Most Unusual Elliptical, M105 (for Messier Monday),Happy…

It might look something lượt thích this:Arm of GodGalacia, Kansas 2009Mitch DobrownerThose of you who enjoyed Sean Heavey"s photos of storms in the American West may appreciate this epic, crisp black-and-trắng storm photography by Mitch Dobrowner. Vapor CloudNear Clayton, New Mexiteo 2009Mitch DobrownerIn addition lớn his website, you can find Dobrowner"s work at Ordover Gallery & John Cleary…