« first day (2764 days earlier)      last day (1628 days later) » 

9:41 AM
14
Q: What was the lithium concentration in 1940's 7-Up?

snurdenI just came across this article in the New York Times, where lithium (or more correctly, lithium salts), a known anti-depressant had been added to beverages in the 1940's. They also mention that a study found negative correlation between the suicide rate of a county and the amount of lithium in i...

19
Q: Single-molecule magnet with electrically-controlled permeability: How does the Titan Shield from Deus Ex work?

andseliskIn a recent installment of Deus Ex game series there is an augmentation called "Titan Shield" (it has nothing to do with $\ce{Ti}$ element): A neodymium skin underlay matrix built of nano-meshed rare earth magnets and powered with hook-ins to the Biocell electrical system, the TITAN skin augm...

13
Q: Why is Diiron nonacarbonyl so exceptional?

Nilay GhoshMy textbooks says: With exception of $\ce{Fe2(CO)9}$, all other metal carbonyls are soluble in hydrocarbon solvents. Weller, M.; Overton, T.; Rourke, J.; Armstrong, F. Inorganic Chemistry, 6th ed. states: The most striking exception among the common metal carbonyls is nonacarbonyl diiro...

 
 
5 hours later…
3:09 PM
How can Cyclopropene exist in nature??
in spite of high angle strain it exists and doesn't polymerize .
somebody please explain or atleast hint.
 
 
5 hours later…
7:50 PM
23
Q: Can we reserve the top bar announcements for actual site news?

Michael KohneWould it be possible for Stack Exchange to reserve top bar announcements for things that are actually important to the network, and not use them to advertise things like the podcast? We've got the blog headlines showing up on the right anyway, so replicating one in the top bar isn't all that help...

 
 
1 hour later…

« first day (2764 days earlier)      last day (1628 days later) »