Local, regional, and statewide news continually updated from thousands of sources on the web. Tell me when there are new stories. DPS investigating Thursday morning fatality in Yoakum County.
An eyespot, often called a stigma (derived from Greek for spot), is a heavily-pigmented organelle located near the cell membrane that seems to function in light reception in â¦ certain single-celled organisms.
For other uses, see Sunspot (disambiguation). Sunspots are temporary phenomena on the photosphere of the Sun that appear as dark spots compared with surrounding regions. They are areas of reduced surface temperature caused by concentrations of magnetic field flux that inhibit convection. Sunspots usually appear in pairs of opposite magnetic polarity.