Word: materiales
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At the Institute of Politics’ (IOP) 40th Anniversary celebration last Friday, Senator Edward M. Kennedy ’54-’56 said that the Bush administration’s approach to politics is contrary to values that prevailed when the IOP was founded. Kennedy said that...
The fall allergy season brings a new headache this year. Starting this week, allergy sufferers who want to treat their stuffy noses with pseudoephedrine (an active ingredient in Sudafed and similar over-the-counter remedies) will have to go to a pharmacist or salesclerk, show photo identification and sign a...
But it wasn't until the 1960s that details of our physical relationship to the apes started to be understood at the level of basic biochemistry. Wayne State University scientist Morris Goodman showed, for example, that injecting a chicken with a particular blood protein from a human, a gorilla or...
Comparisons of primitive genomes have also led to an astonishing, controversial and somewhat disquieting assertion about the origin of humanity. Along with several colleagues, David Reich of the Broad Institute in Cambridge, Mass., compared DNA from chimpanzees and humans with genetic material from gorillas, orangutans and macaques. Scientists have long...
The job isn't an easy one. Like any complex organic molecule, DNA degrades over time, and bones that lie in the ground for thousands of years become badly contaminated with the DNA of bacteria and fungi. Anyone who handles the fossils can also leave human DNA behind. After probing...