Letters from the June 10, 2006, issue of Science News | Science News

ADVERTISEMENT

MISSION CRITICAL

Support credible science journalism.

Subscribe to Science News today.


Letters to the Editor

Letters from the June 10, 2006, issue of Science News

By
7:14pm, June 6, 2006

Know the drill

Could it be that the ancient teeth discovered with drill marks but no signs of fillings ("Mystery Drilling: Ancient teeth endured dental procedures," SN: 4/8/06, p. 213) were drilled to relieve abscesses? On a long holiday weekend years ago, a dentist opened and drained an abscess for me until I could get back home to my regular dentist. It relieved the pain almost instantly.

David Watt
Glasgow, Scotland

What smells?

Although I love finding out about how traits supposedly unique to humans are shared by animals, I don't see how the experiment in "Hummingbirds can clock flower refills" (SN: 4/15/06, p. 237) demonstrates episodic memory in hummingbirds. How is this not the simple sensing (smelling) of the sugar drink in the syringes?

Yvonne Lyerla
Sonoma, Calif.

Researcher T. Andrew Hurly says tha

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from this issue of Science News

[title_1]
From the Nature Index Paid Content