Primary Sjogren syndrome is an autoimmune condition in which dry eyes
(keratoconjunctivitis sicca) and dry mouth (xerostomia) result from lymphocytic infiltration of …

Biological nervous systems and the mechanisms underlying their operation exhibit
astonishing complexity. Computational models of these systems have been correspondingly …

The origin of anatomically modern Homo sapiens and the fate of Neanderthals have been
fundamental questions in human evolutionary studies for over a century1–4. A key barrier to …

1856, Johann Carl Fuhlrott, then a professor at the Realschule in Elberfeld (Germany), was
given fourteen pieces of a human skeleton encountered by workmen during the removal of …

In a comprehensive study of 3,874 routine full-mouth radiographs, the following findings
concerning impacted teeth were noted: 1. The incidence of patients with at least one …

Diacylglycerol (DAG) lipase activity is required for axonal growth during development and
for retrograde synaptic signaling at mature synapses. This enzyme synthesizes the …

The dielectric constant e'and electrical conductivity of a glass-forming 40 mol% Ca (NC> 3) 2-
60 mol% KNO3 melt were measured over a frequency range of 0.02 Hz-1 MHz and a …

Endocannabinoids (eCBs) function as retrograde signaling molecules at synapses
throughout the brain, regulate axonal growth and guidance during development, and drive …

Objective: To evaluate the psychosocial and behavioural impact of the first ever national
level comprehensive workplace smoke-free law, implemented in Ireland in March 2004 …

A technique for the potassium-argon dating of high potassium feldspars of less than 50,000
years age is described. The technique is applied to the obtaining of high precision ages in …