Post List

  • August 7, 2011
  • 02:01 AM

NanoArt: Truly Extra-Ordinary

by Paige Brown in From The Lab Bench

Art at the scale of 1/1,000,000,000 (1 billionth) of a meter, where materials can act and look very differently than they do in the macroscopic world that we see around us.
... Read more »

Powell, D. (2011) Matter . Science News, 179(7), 10-10. DOI: 10.1002/scin.5591790710  

  • August 7, 2011
  • 02:01 AM

NanoArt: Truly Extra-Ordinary

by Paige Brown in From The Lab Bench

Art at the scale of 1/1,000,000,000 (1 billionth) of a meter, where materials can act and look very differently than they do in the macroscopic world that we see around us.
... Read more »

Powell, D. (2011) Matter . Science News, 179(7), 10-10. DOI: 10.1002/scin.5591790710  

  • August 7, 2011
  • 02:01 AM

NanoArt: Truly Extra-Ordinary

by Paige Brown in From The Lab Bench

Art at the scale of 1/1,000,000,000 (1 billionth) of a meter, where materials can act and look very differently than they do in the macroscopic world that we see around us.
... Read more »

Powell, D. (2011) Matter . Science News, 179(7), 10-10. DOI: 10.1002/scin.5591790710  

  • August 6, 2011
  • 04:46 PM

How to summarise a collection of trees that came from a Bayesian analysis

by Leonardo Martins in bioMCMC

After running a Bayesian phylogenetic analysis we are usually left with a large collection of trees, that came from the posterior distribution of the model given our data. Then if we want to work with a single tree - that is, to have a point estimate of this posterior distribution of trees - the most usual ways are to calculate the consensus tree or to select the most frequent tree. There are other ways, but let's fix on those by now.We might not be aware of it, but when we choose for one or ano........ Read more »

Huggins, P., Li, W., Haws, D., Friedrich, T., Liu, J., & Yoshida, R. (2011) Bayes Estimators for Phylogenetic Reconstruction. Systematic Biology, 60(4), 528-540. DOI: 10.1093/sysbio/syr021  

  • August 6, 2011
  • 12:51 PM

Nano: Practically Invisible

by Paige Brown in From The Lab Bench

Nano-objects, typically classified as measuring between 1 and 100 nanometers, or 1/1,000,000,000 meters, in at least one dimension (height, width, or depth), are smaller than the wavelength of visible light. This means, as the video points out, that nanoscale objects are practically invisible. But this doesn’t mean that nano-objects don’t leave their traces in the world around us…... Read more »

Baile Zhang, Yuan Luo, Xiaogang Liu, & George Barbastathis. (2010) Macroscopic Invisibility Cloak for Visible Light. Physical Review Letters 106, 033901 (2011). arXiv: 1012.2238v3

  • August 6, 2011
  • 06:42 AM

Cultural Evolution and the Impending Singularity: The Movie

by Sean Roberts in A Replicated Typo 2.0

A video of a talk I gave at the Santa Fe Institute, asking questions like "Has Biological Evolution come to an end?", "Is belief an emergent property?", "Will advanced computers use humans as batteries?" and "Will robots spend more time playing the violin than solving science?"... Read more »

Sperl, M., Chang, A., Weber, N., & Hübler, A. (1999) Hebbian learning in the agglomeration of conducting particles. Physical Review E, 59(3), 3165-3168. DOI: 10.1103/PhysRevE.59.3165  

Chater N, & Christiansen MH. (2010) Language acquisition meets language evolution. Cognitive science, 34(7), 1131-57. PMID: 21564247  

Ay N, Flack J, & Krakauer DC. (2007) Robustness and complexity co-constructed in multimodal signalling networks. Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 362(1479), 441-7. PMID: 17255020  

Guttal V, & Couzin ID. (2010) Social interactions, information use, and the evolution of collective migration. Proceedings of the National Academy of Sciences of the United States of America, 107(37), 16172-7. PMID: 20713700  

  • August 6, 2011
  • 02:47 AM

Word of the Month: Myrmecomorphy

by Kevin Zelnio in EvoEcoLab

Myrmecomorphy Part of the fun in natural history is playing word detective! Naturalists speak in greek and latin and love mashing together parts of these languages to create new, yet often very descriptive, words. This month, I want to talk a little about an awesome word – MYRMECOMORPHY. This beauteous etymological wonder is derived from from the root [...]

... Read more »

  • August 5, 2011
  • 07:50 PM

Cornered Rat Waves Poisoned Tool, Attacker Flees in Terror!

by Paul Norris in AnimalWise

Screams the tabloid headline… Is this the plotline for a sequel to The Planet of the Apes in which mistreated lab rats rebel against cruel animal experimenters? No, it’s actually an accurate (ok, a bit sensationalized) description of the way … Continue reading →... Read more »

Kingdon, J., Agwanda, B., Kinnaird, M., O'Brien, T., Holland, C., Gheysens, T., Boulet-Audet, M., & Vollrath, F. (2011) A poisonous surprise under the coat of the African crested rat. Proceedings of the Royal Society B: Biological Sciences. DOI: 10.1098/rspb.2011.1169  

  • August 5, 2011
  • 06:51 PM

A New Sexual Femunculus?

by The Neurocritic in The Neurocritic

Figure 3A (adapted from Komisaruk et al., 2011). Group-based composite view of the clitoral, vaginal, and cervical activation sites, all in the medial paracentral lobule, but regionally differentiated. We interpret this as due to the differential sensory innervation of these genital structures, i.e., clitoris: pudendal nerve, vagina: pelvic nerve,1 and cervix: hypogastric and vagus nerves."Femunulus" is a neologism for "female homuculus" The neuroanatomical definition of homunculus is a "di........ Read more »

  • August 5, 2011
  • 06:36 PM

Why coffee is better than ice cream on a first date

by eHarmony Labs in eHarmony Labs Blog

A soothing hug, a cozy blanket, a hot cup of coffee – what’s the connection between these things and what makes them feel so good? Research shows that temperature may be the key to soothing a lonely heart. ... Read more »

  • August 5, 2011
  • 06:05 PM

I’ll Have What She’s Having (but only if she’s good looking)

by eHarmony Labs in eHarmony Labs Blog

With so many choices and too little time, how can women know the good guys from the bad guys with just one glance?... Read more »

  • August 5, 2011
  • 05:20 PM

Learning to live together: new research explains how bacteria's urge to survive in our gut promotes intestinal health

by Heather in Escaping Anergy: The Immunology Research Blog

How does the immune system distinguish pathogenic bacteria from probiotic ones in the gut? Have bacteria evolved to evade immune attack in order to survive in our intestines, while at the same time playing a role in maintaining a healthy gut for us? Check out Escaping Anergy for an in-depth analysis and discussion of Round, et al.'s latest published Science paper!... Read more »

Round JL, Lee SM, Li J, Tran G, Jabri B, Chatila TA, & Mazmanian SK. (2011) The Toll-like receptor 2 pathway establishes colonization by a commensal of the human microbiota. Science (New York, N.Y.), 332(6032), 974-7. PMID: 21512004  

  • August 5, 2011
  • 03:12 PM

The Disconnect of the Creative Leader

by David Lurie in Setsights

I’m a strong believer that creativity is important in the workplace: even if you are not in a traditionally “creative” role (let’s say a mechanic) there is still always opportunity to solve some sort of problem that may require creative … Continue reading

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Setsights Mailbag: “Can I bend the truth on my CV? – ‘AJ’”
“What is your biggest weakness” – 10 Possibl........ Read more »

  • August 5, 2011
  • 02:52 PM

Evidence of flowing water on Mars?

by Arunn in nOnoScience (a.k.a. Unruled Notebook)

Nasa reports first evidence of flowing water on Mars says Times of India. NASA better report the evidence now. They actually do report it, but with a good amount of reservation — so unlike of them, if you ask their Arsenic Bacteria – with a title reading, NASA Spacecraft Data Suggest Water Flowing On Mars. [...]... Read more »

McEwen, A., Ojha, L., Dundas, C., Mattson, S., Byrne, S., Wray, J., Cull, S., Murchie, S., Thomas, N., & Gulick, V. (2011) Seasonal Flows on Warm Martian Slopes. Science, 333(6043), 740-743. DOI: 10.1126/science.1204816  

  • August 5, 2011
  • 01:36 PM

The curious relationship between place names and population density

by Tim De Chant in Per Square Mile

Giving a name to a place is an important act. It says a place has meaning, that it should be remembered. For thousands of years, the way we kept track of place names—or toponyms—was by using our memory. Today, we’re not nearly so limited, and the number of toponyms seems to have exploded. Yet oddly [...]... Read more »

  • August 5, 2011
  • 12:56 PM

Cigarette Sadness

by Dirk Hanson in Addiction Inbox

The chemistry of sorrow during nicotine withdrawal.

When you smoke a cigarette, nicotine pops into acetylcholine receptors in the brain, the adrenal glands, and the skeletal muscles, and you get a nicotine rush. Just like alcohol, a cigarette alters the transmission of several important chemical messengers in the brain. “These are not trivial responses,” said Professor Ovide Pomerleau of the University of Michigan Medical School. “It’s like lighting a match in a gasoline factory.”

E........ Read more »

  • August 5, 2011
  • 12:35 PM

Homing In For A Blood-thirsty Meal

by Jim Ryan in Wild Mammals

Their stealthy, nocturnal habits and their penchant for feeding on blood have made them Hollywood B movie stars.

...In South America where vampire bats are common, vampires approach their prey on the ground, galloping quickly and quietly as they sneak up on, bite, and drink the blood from sleeping cows, goats and birds.

Vampire bats are the only mammal that survives solely on blood, and they need to drink it pretty much every day to survive.

...Like other bats, they feed only at night, and........ Read more »

Gracheva, E., Cordero-Morales, J., González-Carcacía, J., Ingolia, N., Manno, C., Aranguren, C., Weissman, J., & Julius, D. (2011) Ganglion-specific splicing of TRPV1 underlies infrared sensation in vampire bats. Nature, 476(7358), 88-91. DOI: 10.1038/nature10245  

  • August 5, 2011
  • 11:20 AM

PTEN is an important tumor suppressor gene in breast cancer

by Sally Church in Pharma Strategy Blog

An interesting new paper has just appeared in the latest online first edition of Cancer Discovery, and discusses a functional classification for evaluating the alterations in breast cancer to ultimately determine which are drivers and passengers. The researchers are essentially using … Continue reading →
... Read more »

Brough, R, Frankum, JR, Sims, D, Mackay, A, Mendes-Pereira, AM, Bajrami, I, Costa-Cabral, S, Rafiq, R, Ahmad, AS, Cerone, MA.... (2011) Functional Viability Profiles of Breast Cancer. Cancer Discovery. info:/10.1158/2159-8290.CD-11-0107

  • August 5, 2011
  • 10:39 AM

The decline and fall of showy bustards

by GrrlScientist in Maniraptora

SUMMARY: The showiest bustards live fast and die young ... Read more »

Preston, B., Jalme, M., Hingrat, Y., Lacroix, F., & Sorci, G. (2011) Sexually extravagant males age more rapidly. Ecology Letters. DOI: 10.1111/j.1461-0248.2011.01668.x  

  • August 5, 2011
  • 10:35 AM

Mosasaurs – Masters of the Bronx Cheer

by Laelaps in Laelaps

Fastened to the wall of the College of Eastern Utah’s Prehistoric Museum in Price, there’s an Allosaurus doing an excellent Gene Simmons impression. The bust was created by David A. Thomas – perhaps best known for his Albertosaurus and Pentaceratops mounts at the New Mexico Museum of Natural History – and he gave the Jurassic [...]... Read more »

Schulp, A.; Mulder, E.; Schwenk, K. (2002) Did mosasaurs have forked tongues?. Netherlands Journal of Geosciences, 84(3), 359-371. info:/

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