Reconstructing reef fish communities using fish otoliths in coral reef sediments.

Little is known about long-term changes in coral reef fish communities. Here we present a new technique that leverages fish otoliths in reef sediments to reconstruct coral reef fish communities. We found over 5,400 otoliths in 169 modern and mid-Holocene bulk samples from Caribbean Panama and Dominican Republic mid-Holocene and modern reefs, demonstrating otoliths are abundant in reef sediments.

Bigmouth Buffalo sets freshwater teleost record as improved age analysis reveals centenarian longevity.

Understanding the age structure and population dynamics of harvested species is crucial for sustainability, especially in fisheries. The Bigmouth Buffalo () is a fish endemic to the Mississippi and Hudson Bay drainages. A valued food-fish for centuries, they are now a prized sportfish as night bowfishing has become a million-dollar industry in the past decade.

Laser Ablation - Accelerator Mass Spectrometry: An Approach for Rapid Radiocarbon Analyses of Carbonate Archives at High Spatial Resolution.

A new instrumental setup, combining laser ablation (LA) with accelerator mass spectrometry (AMS), has been investigated for the online radiocarbon ((14)C) analysis of carbonate records. Samples were placed in an in-house designed LA-cell, and CO2 gas was produced by ablation using a 193 nm ArF excimer laser. The (14)C/(12)C abundance ratio of the gas was then analyzed by gas ion source AMS.

Time in tortoiseshell: a bomb radiocarbon-validated chronology in sea turtle scutes.

Some of the most basic questions of sea turtle life history are also the most elusive. Many uncertainties surround lifespan, growth rates, maturity and spatial structure, yet these are critical factors in assessing population status. Here we examine the keratinized hard tissues of the hawksbill (Eretmochelys imbricata) carapace and use bomb radiocarbon dating to estimate growth and maturity.

Videotaped patient stories: impact on medical students' attitudes regarding healthcare for the uninsured and underinsured.

The attitudes of medical students toward the current United States healthcare system are not well described in the literature. A graded survey was developed to assess awareness and motivation toward the care of the uninsured and underinsured as well as the impact of a video intervention on these attitudes. The survey, which showed good internal consistency (Cronbach's alpha = 0.

Healthcare reform and the next generation: United States medical student attitudes toward the Patient Protection and Affordable Care Act.

Context: Over one year after passage of the Patient Protection and Affordable Care Act (PPACA), legislators, healthcare experts, physicians, and the general public continue to debate the implications of the law and its repeal. The PPACA will have a significant impact on future physicians, yet medical student perspectives on the legislation have not been well documented.

Objective: To evaluate medical students' understanding of and attitudes toward healthcare reform and the PPACA including issues of quality, access and cost.

Psychosocial health in displaced Iraqi care-seekers in non-governmental organization clinics in Amman, Jordan: an unmet need.

Introduction: Populations displaced by conflict face numerous threats to their psychological well-being; consequently, the prevalence of mental health problems, including anxiety, depression, and post-traumatic stress disorder can be elevated as compared to populations who have not experienced forced displacement.

Problem: Little is known about the mental health needs of displaced Iraqis. The factors associated with a need for psychological services among patients at seven clinics served by two NGOs that are known sources of care for the displaced Iraqi population in Amman, Jordan were explored.

Identification of a major GpVI-binding locus in human type III collagen.

We have analyzed the adhesion of human and murine platelets, and of recombinant human and murine GpVI ectodomains, to synthetic triple-helical collagen-like peptides. These included 57 peptides derived from the sequence of human type III collagen and 9 peptides derived from the cyanogen bromide fragment of bovine type III collagen, alpha1(III)CB4. We have identified several peptides that interact with GpVI, in particular a peptide designated III-30 with the sequence GAOGLRGGAGPOGPEGGKGAAGPOGPO.

Proximal row carpectomy.

Proximal row carpectomy is extremely useful as a wrist reconstructive technique for cases of degenerative joint arthritis of the radiocarpal joint cause by scapholunate advanced collapse, scapholunate advanced collapse, schaphoid nonunion advanced collapse, trans-scaphoid perilunate fracture dislocations, lunate dislocations, and Kienböck disease. It should be selected with caution for patients younger than 35 years old. The procedure can be performed with or without temporary internal fixation with with Kirschner wires, and adjunctive techniques of dorsal capsule interposition, proximal capitate excision, and radial styloidectomy can be used.