Newsletter Nov 23, 2022
Repeat COVID Infection More Dangerous Than First: Study

Researchers found that the risk of death is higher in repeat COVID-19 infections.

Mind-Controlled Wheelchairs Help Paralysed Patients Navigate Obstacles

Currently, patients have to undergo an operation to gain mind control of a wheelchair.

Sperm Count Is Declining At Accelerating Rate Worldwide: Study

Between 1973 to 2018, the concentration of sperm in men not known to be infertile fell by more than 51%, from 101.2 million to 49 million sperm per millimetre of semen, the new study found.

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