Atrial Fibrillation Overview. Atrial fibrillation is an irregular heartbeat that increases the risk of stroke and heart disease. Signs include dizziness, weakness, and fatigue. Treatment involves medication and lifestyle changes, and sometimes procedures such as cardioversion, ablation, pacemakers, or surgery.
Amy Shark. Amy Shark is a singer-songwriter and producer reigning from the Gold Coast of Queensland, Australia. She crafts enveloping, emotional and deeply relatable indie pop that first garnered attention after her pop award recognition in the Queensland Mic Awards.
1:39 p.m., June 2, 2015--University of Delaware doctoral student Danielle Haulsee is the lead author on a paper reporting the combined use of underwater robotics and acoustic telemetry to understand sand tiger shark habitat and migration in the Delaware coastal ocean.