Cortisol (hydrocortisone), a corticosteroid with both glucocorticoid and mineralocorticoid activity and effects. Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex of vertebrates, as well as the synthetic analogues of these hormones.
The light stands at the entrance to Botany Bay. The light was required so north-bound shipping could hug the coast and avoid the strong southerly currents further out to sea. The lighthouse is on the southern side of the entrance to Botany Bay and is about 45 minutes south of Sydney. Page last updated:
Lighthouse Reef as seen from space. The Great Blue Hole is near the center of the photograph. The Great Blue Hole is a giant submarine sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 70 km (43 mi) from the mainland and Belize City. The hole is circular in shape, over 300 m (984 ft) across and 108 m (354 ft) deep.