SINGAPORE - How do you use science to add sparkle to your Christmas?

The best answer will get a Straits Times reader a Christmas feast for eight to 10 people from Cold Storage, comprising a medium Butterball turkey with chestnut stuffing and turkey gravy, Primo Banjo bone-in ham and rib-eye roast beef with black pepper sauce.

E-mail your response in 25 words or fewer to contest@crowd.com.sg by Dec 18.

For more Christmas stories, click here.