Ashley Melnick

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Is cystic fibrosis two different diseases? - Futurity

Cystic fibrosis could be considered two diseases—one that affects multiple organs including the lungs—and one that doesn't affect the lungs at all.

How DNA Scissors Can Perform Surgery Directly On Your Genes

These gene-slicers may help tackle HIV, Alzheimer's, and brain cancer.<p>Jay Johnson’s DNA was cut into pieces. Tiny molecular scissors chopped it into slices the cell couldn’t readily repair. The cell did its best at a speedy patch-up job, but the gene was left effectively useless. As the battered …

Genetics

Infant Possibilities

Babies’ genomes hold clues that can save their lives, but that same information could be used in far less noble ways. Where should we draw the line?<p>When Kira Walker was born, on June 13, 2013, her parents and doctors knew she might have health issues. Her mother, a recovering heroin addict, had …

Genetics

Hobbits’ or Down Syndrome? Scientists Revive Fossil Debate

Down Syndrome

Will Genetic Alterations Modify Human Society?

<i>“Keep in mind, this child is still you. Simply, the best, of you. You could conceive naturally a thousand times and never get such a result.”</i> – Fictional geneticist in the 1997 film Gattaca.<p>As a side effect of science fiction novels, many of us find ourselves with an outlook of the future that’s …

Why weird things happen

A mathematician explains why you shouldn’t believe in psychics or ESP and other paradoxes of probability<p>Let's say you decide to toss a coin 10 times. The coin is evenly balanced, and for the first five flips you happen to get heads. So what's the likelihood that the next toss will come up tails …