Eyes on the skin. In the teamâs first experiment, the scientists were looking to see whether UV light instigated a calcium signaling response. They found nothing. But guessing that the skin might sense light like the eyes do, they added retinal, a co-factor of opsin receptors including rhodopsin.
Economy shipping takes 1 to 10 business days within the United States and 11 to 20 business days for international. Exact time depends on how far the package must travel. Standard international shipping takes 5 to 10 days.
Best Answer: Most domestic ground shipping through any of the major carriers (FedEx, UPS, USPS) takes between 5-7 business days.Of course, this can vary according to your location and the distance of the shipment. of the sites will allow you to estimate your shipping time if you input the source and destination.est Answer: Most domestic ground shipping through any of the major carriers (FedEx, UPS, USPS) takes between 5-7 business days. Of course, this can vary according to your location and the distance of the shipment. of the sites will allow you to estimate your shipping time if you input the source and destination.