Today, 9/30/12 only, an annual subscription to Popular Science magazine is $4.99 per year (usually $19.95 per year) for up to 4 years from Tanga, when you enter promo code DAILYCHEAPSKATE at checkout. Works with new subscriptions AND renewals.
This is another one that we get (we are total science junkies). Click here to get started. Remember, this offer is only good today, 9/30/12.