In 1999, NASA flew Ceratopteris richardii on STS-93 to test gravity-guided growth. Image Credits: Wikimedia Commons Launch of STS-93. Image Credits: Wikimedia Commons (Catch all the us news , UK News , Canada News , International Breaking News Events, and Latest News Updates on The Economic Times.) Download The Economic Times News App to get Daily International News Updates. (Catch all the US News , UK News , Canada News , International Breaking News Events, and Latest News Updates on The Economic Times.) Download The Economic Times News App to get Daily International News Updates.
