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‘Unwinding’ chromosomes: A unique perspective on determinants of chromosomal width

Mitotic chromosomes are pivotal for the inheritance of genetic material. Now, it is already known that chromosomes vary in dimensions among organisms. But what governs mitotic chromosomal size and degree of DNA compaction? Scientists investigated mitotic chromosome formation to find answers and have revealed that within a species, the chromosomal...

Researchers advance insights into cause of ripples on icicles

Experimental physicists growing icicles are closer to understanding why some form with ripples up and down their outsides, while others form with smooth, slick, even surfaces. By growing icicles from water samples with different contaminants like sodium chloride (salt), dextrose (sugar) and fluorescent dye, they discovered that water impurities become...