To support our nonprofit science journalism, please make a tax-deductible gift today. The researchers first move the eggs to a laboratory bathed in red light to protect the fragile cells. Using high-powered microscopes, they examine the freshly gathered eggs and prepare to inject a single rhesus sperm into each one. If all goes well, the team will introduce the genome editor CRISPR before the resulting embryo begins to grow—early enough for the mutation for aging to show up in all cells of any offspring. But as often happens when eggs are retrieved, all does not go well. The group can afford a little bad luck, though.
"She bit down just so hard that the monkey was not hurt."
One giant leap
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Skip to Content. Getting the hang of the controls takes some practice, since you sometimes need to do things in a precise order. Also, if you miss one banana, your multiplier falls to zero, keeping your score low. Parents and caregivers: Set limits for violence and more with Plus. See it yourself. The game might be a little frustrating to control, but with the song playing constantly, kids don't seem to mind.