Access
To read this story in full you will need to login or make a payment (see right).
News and Views
Nature 423, 387-388 (22 May 2003) | doi:10.1038/423387a
Open Innovation Challenges
-
Novel Approaches to Protecting Maize from Insect Damage
The Seeker is looking for novel approaches to protecting maize from insect damage. This Challenge re...
-
Methods of Modeling Adaptation in Populations
The analysis of adaptation with a population is a frequently encountered computational modeling scen...
nature jobs
Organic Chemistry
- Praj Matrix - Praj Industries Ltd
- Pune, Maharashtra Pune-411021 India
Senior Scientist, Cellular & Molecular Pharmacology
- Cortex Search Inc.
- Vancouver, British Columbia
Vision: The retina's fancy tricks
Richard H. Masland
Abstract
The vertebrate eye is far more than a passive receptor for visual information. The microcircuitry in the retina can, for instance, carry out the job of distinguishing object motion from background motion.
When the first light-sensitive amoeba drifted down a stream, it encountered one of the fundamental problems of vision, which is that the world doesn't sit still. Trees move in the breeze, grass rustles, the sun and stars drift across the sky.
To read this story in full you will need to login or make a payment (see right).

