Geo-Engineering to Reduce Carbon Dioxide

Artificial trees, algae based photobioreactors and reflective roofs are three of the ideas in this report that discusses how we could possibly remove carbon dioxide from the atmosphere. To my untrained eye, they look plausible, but expensive to implement!

Your Friday posers are: -

1. Which popular science magazine was first published today in 1845?
   
   
2. Actress Amanda Tapping (right) was born today in 1965 and stars as Dr Helen Magnus in which TV series? (Picture courtesy Jill B./MajorSamFan © 2007)
   
   
3. Caleb Bradham invented what drink, then known as 'Brad's Drink', today in 1898?
   

Yesterday's Answers: 1. Zulus; 2. "Scrubs"; 3. Zanzibar