News tagged with mercury

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The five most poisonous substances

With the announcement of an inquiry into the murder of Alexander Litvinenko, talk of poisons is back in the news. There are many articles with lists of the most poisonous substances, which are often gathered based on their acute toxicity as measured by something called LD ...

8 hours ago 5 / 5 (4) 6

When liquids behave like solids

(Phys.org) —When a rubber ball and a droplet of water are compressed onto a solid surface, they behave very differently. For the ball, the compression process is reversible, so the ball retains its original ...

Dec 10, 2013 4.5 / 5 (15) 0 | with audio podcast feature

New type of nuclear fission discovered

(PhysOrg.com) -- Nuclear fission, or the splitting of a heavy nucleus, usually results in symmetrical fragments of the same mass. Physicists attribute the few known examples of fission that is asymmetric to ...

Dec 06, 2010 4.7 / 5 (52) 79 | with audio podcast report

A fascinating 'new' planet

NASA has recently discovered a very strange planet.  Its days are twice as long as its years.  It has a tail like a comet. It is hot enough to melt lead, yet capped by deposits of ice. And to top it all ...

Feb 11, 2013 4.7 / 5 (31) 8 | with audio podcast