As scientists continue to find incredible diversity in the smallest of organisms, realizations of all we've been missing are changing conceptions of life.
The race continues between scientists desperately seeking a rationale for harvesting human embryos and those who say, having adult stem cells and iPS cells available, they are unnecessary – and their use is unethical.
News sites are celebrating a "spectacular" new record for fossil DNA, claiming horse genes found in permafrost are 700,000 years old, placing the common ancestor two million years earlier than thought.
An intelligent design advocate is publishing a book this month that uses the Cambrian Explosion as evidence against Darwinism and for I.D. Two major evolutionary paleontologists have also published a book about the issue.
Stem cells continue to show promise for dramatic healings, but reporters don't always clarify what lived or died to produce the cells. Adult stem cells inhabit all living humans; embryonic or fetal stem cells require a human death.