Chemistry World Christmas quiz, day 7

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And we’re off again. Day 7 sees your daily delivery of chemistry trivia.

Why do chemists have reason to fear Bartosz Grzybowski’s ‘Chematica’?

RSC president Lesley Yellowlees said in May that the UK would take almost 50 years to catch up with the US in terms of what? The statistic two out of 44 was also central to this discussion.

On to the answers from yesterday’s quiz questions.

Chemists were unimpressed with the BBC over its inability to get simple chemical formulae correct in its programme Things you need to know, which was looking at chemistry.

Curiosity’s ChemCam has a laser-induced breakdown spectrometer and a remote imaging telescope. You can read all about the rover, its mission on Mars and its suite of instruments in our feature, Curiosity to take off.

We’ll be back tomorrow with more chemistry-themed quiz questions.

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Source:
http://prospect.rsc.org/blogs/cw/2012/12/11/chemistry-world-christmas-quiz-day-7/

How to find out what gorillas eat? Easy, rummage through their ‘leavings’

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mountain gorilla

— Are you what you eat Mr Gorilla?

It reminds me a little of a certain TV ‘Dr’ obsessed with poo, but US scientists have been busy analysing the faeces of mountain gorillas. So have the gorilla’s been following a healthy diet, are they what they eat and why oh why would you be rummaging around in gorilla poo for your day job?

Well it turns out that tracking and understanding the diets of wild animals can be tricky. You can observe them eating, or rummage around in their poo for what remains, but that will only give you a snap shot: larger trends can be difficult to spot. Scott Blumenthal at the University of New York and his colleagues used isotope ratios to track how the diet of mountain gorilla’s shifts with the seasons. Using the change in 13C values the group showed that while gorilla’s usually eat foliage, when fruit is available gorilla’s prefer it and so change their diet. By increasing the amount of fruit they eat the gorillas also increase the amount of 13C they ingest because of the fruit’s position in the canopy of the forest. Plants down towards the ground tend to rely on carbon that has been taken up from the soil and has already been metabolised and so lost much of its 13C.

So, it turns out that Ugandan mountain gorillas are seasonal eaters, very trendy. And, perhaps, not that surprising. However, methods of analysing diet that don’t require around the clock observation are sure to be useful, even if it does require a strong stomach for sample collection.

Laura Howes

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Source:
http://prospect.rsc.org/blogs/cw/2012/12/11/dietary-analysis-poo-faeces-gorilla/

Chemistry World Christmas quiz, day 6

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And on the sixth day of Christmas my true love brought to me, six geese a-laying topical chemistry questions. 

Right, I hope you’ve rested your brain over the weekends and you’re ready for more. Off we go.

Chemists had some stern words for Auntie Beeb (the BBC) and James May of Top Gear fame in September. Why?

In August, Nasa’s rover Curiosity landed on the red planet and started making measurements with many different instruments. What type of instruments can be found in ChemCam?

 

On to the answers from yesterday’s quiz questions

The elements that a Southampton PhD student was poisoned with were arsenic and thallium. Investigations are still ongoing. You can read our story here. 

GFAJ-1 stood for Give Felisa A Job. Felisa Wolfe-Simon was the lead author on the original Science paper that made the claim that bacteria isolated from Mono Lake in California could metabolise arsenic. You can read more about the arsenic life story here, here, here and here.

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Source:
http://prospect.rsc.org/blogs/cw/2012/12/10/chemistry-world-christmas-quiz-day-6/

Olivia + Fitz || Wicked Game [Scandal] – Video

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Olivia + Fitz || Wicked Game [Scandal]
HD makes it BETTER! First Olitz video! These two are crazy addictive and their chemistry is off the charts. I just can #39;t even with their stares and longing looks and gah - this song screams OLITZ!! Their relationship is so beautifully wrong and complicated but their love is undeniable. LOVE THEM!! --- Please rate and comment. It takes hours to make these vids but only a few seconds of your time to let us know if it is any good. We really appreciate it 🙂 Info at the end of the vid 🙂 No copyright infringement intended. Made purely for entertainment, not for profit. All clips and audio belong to their respective owners. The program used was Sony Vegas 12.From:fartarse83Views:12 2ratingsTime:03:13More inEntertainment

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Brainwave Entrainment Review:Musicmefree Brainwave Entrainment For Self- Improvement – Video

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Brainwave Entrainment Review:Musicmefree Brainwave Entrainment For Self- Improvement
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Chemistry Semester Review- Lab Safety – Video

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Chemistry Semester Review- Lab Safety
This is our video review over Lab Safety for Mr. Aaly #39;s 6th period class. Students are: Yessenia Zelaya-Lazo, Aileen Salazar, and Jennifer Velazquez. Special thanks to Pears and Kike for giving me ideas on how to improve it! 😀 ~Di$cl@!m3R~ We do not own the rights to any audio (except the fart noise), all copyrights belong to Usher and Thomas Dolby.From:Jenny ValensiViews:13 1ratingsTime:05:58More inEducation

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Chemistry Semester Review- Lab Safety - Video

Rook – My Favorite Artist (Destruction Production Contest) – Video

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Rook - My Favorite Artist (Destruction Production Contest)
Like These Pages!! http://www.facebook.com http://www.facebook.com *Lyrics* -Hook- (x2) Guess its time for me to show you all who #39;s my favorite artist (Got a 4 letter name) Homie im my favorite artist Guess its time for me to show you someone here that isnt garbage (Got a 4 letter name) Homie im my favorite artist -Verse- If you try to meet me lyrically im leavin you with toe tags Rollin up these rappers, light em up, and take a slow drag Im a beast upon a beat, as you can see my flow #39;s bad Ignoring all my warnings then im storming down on yo ass Beef with me? you tickle me I seem to be too quick to see I see these MCz reach their peak and see that they aint shit to me They might crown Rook, go ahead and put the mic down Right now look, swim wit gators then you might drown I lyrically put fear in rappers everywhere thats hearin me I smear MCz i feel are weak it seems to be bad chemistry I might just have to go and put ya flow into a casket Goin toe to toe with Rook you know thats what ya ass get Im my own favorite artist, i just feel i go the hardest Other artists spittin garbage like they drank too much bacardi If you thinkin that you better we can put it to the test R double OK bout to show em who the best -Hook- (x2) Guess its time for me to show you all who #39;s my favorite artist (Got a 4 letter name) Homie im my favorite artist Guess its time for me to show you someone here that isnt garbage (R double OK) Homie im my favorite artistFrom:RookMusicVideoViews:0 0ratingsTime:02:34More inMusic

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Rook - My Favorite Artist (Destruction Production Contest) - Video