NASAs robotic geologist Perseverance, which is busy uncovering secrets of Mars, has transmitted a desolate yet charming picture from the red planet. In its latest attempt, the rover has sent a pictur… [+2242 chars]
Squid, octopus, and cuttlefish -- even to scientists who study them -- are wonderfully weird creatures. Known as the soft-bodied or coleoid cephalopods, they have the largest nervous system of any in… [+8396 chars]
When a cell divides normally, it makes a copy of every chromosome and then shares them equally between the two new cells. This function is carried out by a complex machine in the cell called the mito… [+2128 chars]
