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.
Shipping to Europe? FedEx International Economy is a day-definite, customs-cleared, door-to-door economy service for shipments up to 68kg per package (shipment weight almost unlimited). Transit time is typically 2 to 5 working days.hipping to Europe? FedEx International Economy is a day-definite, customs-cleared, door-to-door economy service for shipments up to 68kg per package (shipment weight almost unlimited). Transit time is typically 2 to 5 working days.