Mark Pierce

Mark Pierce

Retired geologist and earth scientist, specialising in ore deposits and isotope geochemistry. Before retirement, I led the Australian government's pre-competitive geoscience programs for minerals and energy.
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The Costs Of Space Travel

The Costs Of Space Travel

We have entered into a new age of space exploration, in which the commercialization of space travel has opened up the possibility that within a generation, space tourism will become a normal part of human existence. Yet, space travel does not come without a price.

On The Impossibility Of Space Diving

On The Impossibility Of Space Diving

Since E.E. “Doc” Smith’s 1934 novel, Triplanetary, people have dreamed about performing the first space dive. As we make our first steps toward commercialising space travel, many people have started to wonder if we are any closer to achieving the first space dive. 

DIPA-CRISPR Makes Insect Gene Editing Possible

DIPA-CRISPR Makes Insect Gene Editing Possible

Since the Nobel prize for chemistry was awarded to biochemist Jennifer Doudna and microbiologist Emmanuelle Charpentier in 2020, for developing the gene-editing technique known as Crispr-Cas9, Crispr has enjoyed a lot of attention and interest from scientists. The technique has been touted as a possible source of new treatments for diseases caused by genetic mutations, such as muscular dystrophy, and congenital blindness.