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14-Year-Old Girl Breaks Down in Tears Hearing Mom’s Voice Clearly for First Time (Video)
14-year-old Breanna was overcome with emotion hearing her mom’s voice clearly for the first time in her life.
Ultrasound Powers Devices Deep Inside the Body
Researchers would like to place very small implants deep inside our bodies to monitor health or treat pain. But providing electric power to implants without wires or batteries has been a big obstacle.
