Weizmann Institute of Science

Scientists grew human embryo without using sperm or egg

The human embryo models may shed new light on the embryo’s mysterious beginnings.

New cell type discovered in thymus

UC Riverside biomedical scientists say the cells are like M cells in the gut and airways.

World’s first synthetic embryo created without sperm

Without egg, sperm, or womb.

Electron whirlpools seen for the first time

Long predicted but never observed.

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