My monthly science round-up - 7)

A month is a short time in writing and I got caught out by February, so here is my (late) batch of inspiration - the seventh of my monthly picks of what's new in science.  Or at least what's new that has caught my imagination. http://wp.me/s3ycbY-science 

Why we need space exploration

When there is so much wrong with our world I often hear the question 'why spend money on space exploration?'.  Here is my answer:  http://wp.me/p3ycbY-1cz

Orion- we're off again

  Much as I was fascinated by Rosetta the start of the Orion program offers the dream of a manned mission to Mars. My blog:  http://wp.me/p3ycbY-19G

How high can you jump on the moon?

As kids we all did the calculation: Gravity on the moon is about one sixth of that on earth so you can jump six times as high or long, right?  Wrong!  Its better than that.  See my Blog:  How high could you jump on the moon? http://wp.me/p3ycbY-aL