Fox News Flash top headlines for April 20 Fox News
Sherlock Holmes’ famous memory trick really works
Sherlock Holmes remembers everything by imagining that he’s storing bits
Pfizer vaccine works against coronavirus mutation in UK and S. Africa variants
Pfizer’s coronavirus vaccine is effective against a key mutation found
Pfizer study suggests vaccine works against virus variant
New research suggests that Pfizer’s COVID-19 vaccine can protect against
Why immunotherapy only works for some with head and neck cancer
University of Cincinnati researchers have discovered new clues into why