The controversial process of editing the DNA in human embryos.
IRS: Software glitch could delay tax refunds
The Internal Revenue Service says 660,000 taxpayers will have their refunds delayed by up to six weeks because of a problem with the software they used tofile their tax returns.
The delay affects people claiming education tax credits who filed returns between Feb. 14 and Feb. 22.
Tax Giant H&R Block says that some of its customers were affected but the company has resolved the problem.