Hemoglobin is well known as the molecule that transfers oxygen in blood, but its precursor, heme, is lesser known.
A gigaton, in case you wondered, is a measure of explosive power, “how many billion tons of TNT would be needed to produce the same energy.”
In labs around the world, scientists are fascinated by living designs. Here are just a few examples of what is being reported on a weekly basis.
The ingenious inventions found in insects summon us to ask: How did these small organisms get them?
Recently, a team of British paleontologists added a new pseudo-explanation.