Displaying posts tagged with

“evolution”

Repost: the Scope(s) of Substance

This tweet from Neil Degrasse Tyson jolted me from a pleasant rest before tomorrow’s race:   …which led to the (in)famous Scopes Trial. On May 5, 1925 John Scopes was charged and subsequently tried, found guilty, and fined $100 for teaching Evolution, a violation of Tennessee’s Butler Act. The trial became a battleground for science [...]

You. Want. This. Job.

NSF grant funded, woohoo! Now I am hiring a programmer. So if you want to be part of a dynamic, growing lab, do lots of interesting stuff and upgrade yourself from just a great bioinformatician to a super-bioinformatician, this job’s for you.  You’ll be working primarily on microbial genome evolution, including setting up a kick-butt [...]

So what’s new with humans?

Man is the only animal that laughs and weeps, for he is the only animal that is struck with the difference between what things are and what they ought to be. – William Hazlitt We like to think that we are the only species capable of emotional self-awareness and therefore the only “animal that laughs [...]

The power of science blogging

  Hats off to Jonathan Eisen for hosting this activity on his blog. (I’ll keep mine on, thank you. It’s raining cats and dogs here right now). A couple of weeks ago I posted a discussion about two papers that challenged the ortholog conjecture. Briefly, both papers stated that orthologs may not be such great [...]

Zombie science roundup

  I am fascinated with zombies. Always have been, but even more so since I took an interest in microbiology. The zombie apocalypse is the best known and best chronicled viral infection which hasn’t happened. But it could happen any day, so stock up on non-perishable food, medical supplies, water purification tablets, chainsaws, machetes, baseball [...]

Life is not a tree, it’s more of a…

  OK, I think the tree of life is obsolete. I have been spending a lot of time looking at horizontal gene transfer, reading about it, looking at it in genomes until my eyes water and my brain dessicates, occasionally blogging about it and soon to be publishing about it. Life is not a tree. [...]

In defense of ‘prokaryotes’

Fine, I get it. “Prokaryotes” is a wrong taxonomic term. It’s wrong to lump bacteria and archaea together. That would be like saying “eutoichic” to lump all bacteria, archaea, plants and fungi together because they have cell walls. (“τοίχος” =wall in Greek. My Google Translate-foo is STRONG!)  Still, there are so many things in common among [...]

Shakespeare’s Birthday and Evolution

William Shakespeare was baptized April 26, 1564. His birthday is traditionally commemorated on April 23 (incidentally, that is also the date of his death, in 1616). One interesting connection between Shakespeare and evolution was made by Richard Dawkins in his book The Blind Watchmaker: I am talking about the Weasel program. Weasel is an elegant illustration of the [...]

Why are there no (or almost no) disease-causing Archaea?

Some microbes are evil minions of Hell (but not all) Quite a few people think that microbes are evil, disease causing minions of Hell that should be eradicated. Supermarkets are handing out sanitary wipes: wipe the handlebar if you want to live, never mind that 90% of the food in the supermarket is worse for [...]

Humans draw the LINE at Gonorrhea. Not that it helps.

א וַיְדַבֵּר יְהוָה, אֶל-מֹשֶׁה וְאֶל-אַהֲרֹן לֵאמֹר.  ב דַּבְּרוּ אֶל-בְּנֵי יִשְׂרָאֵל, וַאֲמַרְתֶּם אֲלֵהֶם:  אִישׁ אִישׁ, כִּי יִהְיֶה זָב מִבְּשָׂרוֹ–זוֹבוֹ, טָמֵא הוּא.  ג וְזֹאת תִּהְיֶה טֻמְאָתוֹ, בְּזוֹבוֹ:  רָר בְּשָׂרוֹ אֶת-זוֹבוֹ, אוֹ-הֶחְתִּים בְּשָׂרוֹ מִזּוֹבוֹ–טֻמְאָתוֹ, הִוא.  ד כָּל-הַמִּשְׁכָּב, אֲשֶׁר יִשְׁכַּב עָלָיו הַזָּב–יִטְמָא; וְכָל-הַכְּלִי אֲשֶׁר-יֵשֵׁב עָלָיו, יִטְמָא. , The day after Valentine’s Day. Ah! What better day in the year can we find [...]

The Oxygen Rush: late January, all of February and a Day in November

I have just returned from British Columbia in Canada. I have to admit that their license plate motto is quite accurate: BC is incredibly beautiful. Another thing that struck me is the provincial flag of BC: the Union Jack at the top (OK, it is British Columbia), there are white and blue horizontal stripes, and [...]

Carnival of Evolution #29

Yes, it’s that time when we all get together in front of the screen to watch another beautiful game played by that fantastic team contributing to the Carnival of Evolution. This time hosted on the lovely green pitch of Byte Size Biology. So get your popcorn, sunflower-seeds, crisps or any other culturally-appropriate sports-watching food and…… [...]

Carnival of Evolution coming here

The 29th edition of the Carnival of Evolution will be hosted here. There are quite a few good things in store: on parrot feathers and lizardfish eyes, on Darwin cartoons, on dogs, dancing and much more. You can still contribute. So if you are a blogger with a post on evolution, go to the blog [...]

Life serves viruses

Sometimes I get the feeling that all life on Earth basically serves as a vehicle for viral replication and propagation. Viruses thrive in all three domains, they embed themselves in all creature’s genomes, they may lie dormant in the genome for eons or decimate whole populations in a few years, and they are the most [...]

Predator MX: Jack the Rippler

No, not a new hunter-killer drone, neither is it the n+1 installment in the sci-fi horror series. Rather, Myxococcus xanthus. Again.     M. xanthus is a highly cooperative bacterium, as we have already seen: when starved, most cells “commit suicide” while a few form spores, to survive the lean times. But M. xanthus also [...]