Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20090908072459/http://www.nsf.gov/
Goose Bumps! The Science of Fear Why do our hearts race, our knees shake, and our bodies sweat when we are scared? "Goose Bumps! The Science of Fear," a new exhibit developed by the California Science Center explores this universal emotion that can save our lives.