Signs point to sponges as earliest animal life
'Chemical fossils' provide evidence for first multicelled creatures
MIT commercial property price index posts record drop
Gauge declines more than 10 percent in fourth quarter
Mass. General, MIT and Harvard launch innovative effort to search for AIDS vaccine
Phillip and Susan Ragon Institute will combine medical, scientific and engineering experts to unlock mysteries of the immune system
'Chameleon Guitar' blends old-world and high-tech
Guitar built by a student at MIT's Media Lab promises to provide the best of electronic and acoustic.
