How Cats Lap: Water Uptake by Felis catus-Reference-Cited by-同舟云学术

How Cats Lap: Water Uptake by Felis catus

Published:2010-11-26 Issue:6008 Volume:330 Page:1231-1234
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Reis Pedro M.¹²,Jung Sunghwan³,Aristoff Jeffrey M.⁴,Stocker Roman¹

Affiliation:

1. Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA.

2. Department of Mechanical Engineering, MIT, Cambridge, MA 02139, USA.

3. Department of Engineering Science and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.

4. Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544, USA.

Abstract

Lap Cats We all know that domestic cats lap milk, but perhaps fewer of us have thought about how they do this. Reis et al. (p. 1231 , published online 11 November; see the cover) have discovered that cats curl their tongues so that the top surface touches the water. Then, by lifting their tongues rapidly, a column of liquid grows by inertia until gravity induces its breakage and the cats close their jaws to capture the liquid. Lapping frequency is tuned to maximize the volume ingested, depending on the animal's mass; a relationship that holds as true for tabby cats as it does for lions.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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