Nuclear Fusion Heats Up

Meiotic recombination heats up.

Meiotic recombination is essential for the production of viable haploid gametes in sexually-reproducing organisms, and creates new allelic combinations, whichmay facilitate evolution by natural selection and genetic drift (Barton & Charlesworth, 1998). Crossovers between homologous chromosomes establish physical connections (chiasmata) which enable proper chromosome segregation. In the absence ...

Climate-change battle heats up

Concerns over climate change ratcheted up a notch last month with new fears that the pace of change had been greater than anyone predicted a decade ago, and that major tourist and nature sites could be out of bounds or threatened within coming years. And America’s most populous state, California, opened a new front in its struggle with climate change when it announced it was suing the six large...

Debate Over Medical Malpractice Liability Heats Up

Tendon mechanics: the argument heats up.

Tendon mechanics: the argument heats up TENDON has long been undervalued. Most textbooks describe only one concept of this tissue: tendons attach muscles to bones. This is akin to saying that Michelangelo was a painter. Both statements are true but do not even begin to describe the importance of their subjects. In fact, tendons play an essential role in a number of physiological processes, incl...

Membrane trafficking heats up in Pavia

Laboratory of Cell Biology, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 50, Room 2503, Bethesda, Maryland 20892, USA Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, 3801 University Street, Montreal, Quebec H3A 2B4, Canada Corresponding author. Tel: +1 301 402 2907; Fax: +1 301 402 1519; E-mail: [email protected]...