$1.5 billion startup says it's getting close to bringing the woolly mammoth back from the dead with elephant cells

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woolly mammoth model with long curled tusks and shaggy hair stands in a museum exhibit with visitors reading a plaque
A woolly mammoth reconstruction at the Caverne du Pont D'Arc in Ardèche, France.

Jean-Marc Zaorski/Gamma-Rapho via Getty Images

The FDA just approved the first gene editing therapy for sickle cell anemia, but it'll cost $2.2 million per person

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sickle cell anemia
The FDA approved the first gene therapy for sickle cell anemia.

Meletios Verras/ iStock

A human embryo grown in a lab without a sperm or egg could be a revolutionary new way to test medicines that may help prevent miscarriage and genetic diseases

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The top sphere contains the part that will become the embryo itself, capped by the amnion; the bottom sphere is the yolk sac; the interface between them is a critical structural feature of human embryonic development. The two spheres are encapsulated by a cellular layer that will become the placenta.
Scientists built the model embryo, imaged here. The outer ring is the placenta forming.

Weizmann Institute of Science

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