Show Insects' Insects Eyes More Sensitive Eyes of some insects are much more sensitive to violet ultra-violet light rays than are human eyes reports the Better Vision institute In an anI I experiment sunlight was passed through a quartz prism so that infrared infrared infrared infra infra- red rays fell on one area and ultraviolet ultraviolet ultraviolet ultra ultra- I violet rays fell upon another area To human eyes the red area was light but the violet ultra-violet area was dark A nest of ants was disturbed and the ant eggs were distributed over both areas under the prism The ants hurriedly carried the eggs out of the violet ultra-violet into the red area This indicated that ultraviolet ultraviolet ultra ultra- violet rays rays are visible to an ants ts but that red infra-red rays are relatively relativE dark |