Importance COVID-19 has disproportionately affected racial and ethnic minority groups, and
race and ethnicity have been associated with disease severity. However, the association of …

By comparing the ozone depletion potential–weighted anthropogenic emissions of N 2 O
with those of other ozone-depleting substances, we show that N 2 O emission currently is the …

We present the greenhouse gas concentrations for the Representative Concentration Pathways
(RCPs) and their extensions beyond 2100, the Extended Concentration Pathways (ECPs…

DEPLETION of the ozone layer has been observed on a global scale 1 , and is probably
related to halocarbon emissions. Ozone depletion increases the biologically harmful solar …

MOOCs (Massive Open Online Courses) are the educational buzzword of 2012. Media frenzy
surrounds them and commercial interests have moved in. Sober analysis is overwhelmed …

… HigherEducation, Sir John Daniel reviews the challenge that the combination
ofcomputers, communications technology and the cognitive sciences - the 'knowledge …

Stratospheric water vapor concentrations decreased by about 10% after the year 2000. Here
we show that this acted to slow the rate of increase in global surface temperature over 2000…

Plantar fasciitis, a chronic degenerative process that causes medial plantar heel pain, is
responsible for approximately 1 million physician visits each year. Individuals with plantar …

Carbon monoxide plays a primary role in governing OH abundances in the troposphere. It is
likely that through this chemical interaction, CO plays an important role in climate forcing by …

Currently, many MOOCs are designed as a collection of videos with a forum using some
traditional distance learning models, but they do not promote adaptive and personalized …