A massive study reveals that cold sensitivity in your extremities could predict varicose veins years before they become ...

Journal Reference: Takashi Suzuki. Personal identification using a cross-sectional hyperspectral image of a hand. Journal of Biomedical Optics, 2024; 30 (02) DOI: 10.1117/1.JBO.30.2.023514 ...

The Tapo PalmKey Smart Door Lock has palm-vein recognition technology that scans your hand for hands-free unlocking – although details are few and far between on its availability and pricing.

In that vein, Bluesound is pitching the Node Icon as the audiophile option in its new lineup, with representatives at the listening session I attended promising it will “win over even the most ardent ...

In some people's hands and feet, these veins swell and become thick and their colour starts becoming purple. If you also see very thick, bulging and blue veins in your body, then definitely pay ...

On the other hand, the peasants would've had darker, tanned skin and it was harder to see the blue blood in their veins. But why do the nobility, the peasantry, anybody, have veins that appear blue?

Varicose veins Varicose veins are are enlarged, swollen, twisting veins that often appear blue or dark purple in color. They typically occur on the legs and feet.

According to Albuquerque Vein and Laser Institute, the blue color of veins concerns how our eyes process light. Red wavelengths can travel further in our bodies and are absorbed within the hemoglobin.