Jacob Daane News Today

When researchers end their careers, where do their biological collections go?

Harvard Medical School Some 25 to 30 million years ago, the Earth’s temperature fell. Ice caps grew and sea level dropped. Plants and animals died off as their environments rapidly shifted. By STEPHANIE DUTCHEN Some species, however, survived the upheaval. Among them were Antarctic fishes harboring genes that produced antifreeze proteins. The proteins prevented ice crystals from forming in cells, allowing the fish to avoid freezing solid in ocean waters that frequently dip...