When Shigella Tells the Cell to Hang On

When the brain tells the blood how to clot.

In this issue of Blood, Tian et al report that during traumatic brain injury, small membrane vesicles, called microparticles, disseminate procoagulant factors from the brain into the systemic circulation. The delivery appears to occur through the disrupted blood-brain barrier.

Let's hang on to what we've got....

Governments in most developed countries are encouraging older workers to remain at work so as to reduce both social security liabilities and labour shortages. Research shows that older workers view flexible work options, which includes phased retirement and returns to work (recalls) as casuals or on contract, as a major incentive for remaining in the work force. There is little evidence employe...

How to Hang On to Your High Potentials

Kinetochores hang on for the ride

C hromosomes are shunted around the cell during mitosis to align at the metaphase plate and then segregate to the spindle poles. These movements are driven by dynamic microtubules, which polymerize and disassemble to pull the chromosomes into position. Chromosomes grab microtubules via their kinetochores, but how do they maintain their grip as the microtubules turn over? “It’s pretty amazing,” ...

Don’t Hang Up on the Telephone Yet!

This paper discusses the effectiveness of different media from a social psychology perspective, and the implications on interactions in social groups and in organizations. In particular, we are interested in the social richness of the media—how effectively they convey the personalities and intentions of their users. We studied CMC (email and chat) and voice telephony, and compared them with fac...