Science & Nature · 2
Fingernails tend to grow fastest on which hand, due to increased blood circulation from more frequent use?
Answer
The dominant hand
Greater use of the dominant hand increases blood flow to its fingertips, which is linked to slightly faster nail growth compared to the non-dominant hand.
💡 Did you know?
Human fingernails grow faster in summer than winter, and faster on your dominant hand due to increased blood circulation from use.
Other options people guess
- The non-dominant hand
- Both hands grow at exactly the same rate
- Neither hand — growth is unaffected by use
Topics
- human-body
- biology
- strange-facts
- anatomy
Know your science & nature trivia?
Play a free Science & Nature quiz and see how many you get right — no signup needed to start.
More Science & Nature facts
Science & Nature
What continuously protects the stomach's lining from being broken down by its own digestive acid?
Your stomach produces a new lining every 3–5 days, meaning it digests itself continuously yet never runs out of protective mucus.
Science & Nature
Which disease is caused by a deficiency of vitamin C?
British sailors earned the nickname 'limeys' after discovering limes cured scurvy during long sea voyages.
Science & Nature
What is the name of the light-sensitive cells in the retina that are responsible for color vision?
Humans have three cone types sensitive to red, green, and blue; their combined signals create color vision across the entire visible spectrum.
Science & Nature
Which icy moon of Saturn did NASA's Cassini spacecraft find spewing ocean geysers laced with organic chemicals?
Cassini-Huygens found organic chemicals in Saturn's moon Enceladus's ocean geysers, suggesting life conditions exist within our own solar system.
Science & Nature
Which scientist earned two separate Nobel Prizes in Chemistry — one for sequencing a protein and one for sequencing DNA?
Frederick Sanger won two separate Nobel Prizes in Chemistry for determining protein and DNA sequences—one of only four people ever.
Science & Nature
In which Nobel Prize category were James Watson and Francis Crick honored for synthesizing others' research into the DNA double-helix model?
Watson and Crick never conducted a single DNA experiment themselves; they built their famous model using data from others, winning the Nobel Prize for theoretical synthesis.