It is very rare for males or females to be "blind" to the blue end of the spectrum.

Just place the red end against your skin and press the blue end.

Mars reflects little light at the blue end of the spectrum but much at red and higher wavelengths.

The layers must be thin to provide substantial transparency, particularly at the blue end of the spectrum.

Bees have vision that is skewed to the blue end of the human visible spectrum.

Since when is color film insensitive to the blue end of the spectrum?

The propellant was a charge of highly compressed gas contained in the blue end.

Carefully, he rubbed the blue end of the stick along the edge of the paper.

In visible light, this shifts the color from the red end of the spectrum to the blue end.

"Light shifts toward the blue end of the spectrum?"