David Efrain Vega Montoya

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Can cloning save endangered species?

Scientists agree it’s not a viable conservation strategy, but some researchers haven’t yet abandoned hope<p>In 2009 the Brazilian Agricultural Research Corp. (Embrapa) and the Brasilia Zoological Garden began scavenging and freezing blood, sperm and umbilical cord cells from roadkill and other wild …

Has the Politics of Cloning Turned the Corner?

A couple of weeks ago, after a group of scientists in Oregon announced that they had created a human blastocyst using techniques sometimes called cloning, something remarkable happened.<p>Nothing.<p>Just two or three years ago this development would have reverberated through our political culture, …