Hailey Bieber, 28, recently opened up about her personal stance on Botox and why she does not want to go under the knife in her 20s ...
Hailey Bieber wants haters to know that their comments about her physical appearance didn't hurt as much as they wanted.
HLI researchers 3D print living heart tissue. The engineered heart samples can be used to test drugs and treatments before clinical trials.
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