The British kept radar secret during WW2, and attributed pilots’ ability to shoot down planes in the dark to vitamin A.
Source: https://www.smithsonianmag.com/arts-culture/a-wwii-propaganda-campaign-popularized-the-myth-that-carrots-help-you-see-in-the-dark-28812484/
The British kept radar secret during WW2, and attributed pilots’ ability to shoot down planes in the dark to vitamin A.
Source: https://www.smithsonianmag.com/arts-culture/a-wwii-propaganda-campaign-popularized-the-myth-that-carrots-help-you-see-in-the-dark-28812484/