Google says Happy Birthday Rosalind Franklin

Rosalind Elsie Franklin was a British biophysicist and X-ray crystallographer who made critical contributions to the understanding of the fine molecular structures of DNA, RNA, viruses, coal, and graphite. Wikipedia

As you could see, the homepage features a doodle. doodle means a rough drawing. This idea of Google unleash quite a huge amount of traffic to wikipedia and other historic sources from its home page. Nowadays newspapers also reports about these to get the eyeballs.