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"McAuley, Paul J"
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Wastewater nutrient removal by marine microalgae cultured under ambient conditions in mini-ponds
Two endemic strains of the marine microalgal species Phaeodactylum tricornutum (designated B2 and B4), previously isolated from a sewage outfall site in St Andrews Bay, Scotland, were cultured in 20-litre miniponds to determine their ability to remove ammonium and orthophosphate from wastewater diluted with seawater. These strains had been selected from 102 species for optimal nutrient removal and culture dominance in both batch and continuous culture on wastewater under controlled environmental conditions. Wastewater (primary sewage effluent) was diluted 1:1 with sterile seawater and continuously added to algal cultures grown in an open greenhouse under ambient conditions. Nutrient concentrations in the diluted wastewater and in outflow from the cultures were measured daily. Both strains remained unialgal with little change in biomass during the 14-day culture period and continuously removed >80% of ammonium from the wastewater. However, while strain B2 removed >80% of orthophosphate, there was a gradual accumulation of orthophosphate in the culture of strain B4. Measurement of nutrient concentrations in diluted wastewater and outflow from the continuous culture of strain B2 over 24 hours showed that at night nutrient removal dropped to a minimum of >70% for both ammonium and orthophosphate. These results indicate the potential value of strain B2 for use in scaled-up treatment ponds.
Journal Article
Austral
The great geoengineering projects have failed. The world is still warming, sea levels are still rising, and the Antarctic Peninsula is home to Earth's newest nation, with life quickened by ecopoets spreading across valleys and fjords exposed by the retreat of the ice. Austral Morales Ferrado, a child of the last generation of ecopoets, is a husky: an edited person adapted to the unforgiving climate of the far south, feared and despised by most of its population. She's been a convict, a corrections officer in a labour camp, and consort to a criminal, and now, out of desperation, she has committed the kidnapping of the century. But before she can collect the ransom and make a new life elsewhere, she must find a place of safety amongst the peninsula's forests and icy plateaus, and evade a criminal gang that has its own plans for the teenage girl she's taken hostage.
Book
Wastewater nutrient removal by marine microalgae cultured under ambient conditions in mini-ponds
Two endemic strains of the marine microalgal species Phaeodactylum tricornutum (designated B2 and B4), previously isolated from a sewage outfall site in St Andrews Bay, Scotland, were cultured in 20-litre mini-ponds to determine their ability to remove ammonium and orthophosphate from wastewater diluted with seawater. These strains had been selected from 102 species for optimal nutrient removal and culture dominance in both batch and continuous culture on wastewater under controlled environmental conditions. Wastewater (primary sewage effluent) was diluted 1:1 with sterile seawater and continuously added to algal cultures grown in an open greenhouse under ambient conditions. Nutrient concentrations in the diluted wastewater and in outflow from the cultures were measured daily. Both strains remained unialgal with little change in biomass during the 14-day culture period and continuously removed >80% of ammonium from the wastewater. However, while strain B2 removed >80% of orthophosphate, there was a gradual accumulation of orthophosphate in the culture of strain B4. Measurement of nutrient concentrations in diluted wastewater and outflow from the continuous culture of strain B2 over 24 hours showed that at night nutrient removal dropped to a minimum of >70% for both ammonium and orthophosphate. These results indicate the potential value of strain B2 for use in scaled-up treatment ponds.
Journal Article
The Eagle has landed : 50 years of lunar science fiction
\"In celebration of the 50th anniversary of the Apollo 11 landing, the endlessly-mysterious moon is explored in this reprint short science fiction anthology from award-winning editor and anthologist Neil Clarke ... On July 20, 1969, mankind made what had only years earlier seemed like an impossible leap forward: when Apollo 11 became the first manned mission to land on the moon, and Neil Armstrong the first person to step foot on the lunar surface. While there have only been a handful of new missions since, the fascination with our planet's satellite continues, and generations of writers and artists have imagined the endless possibilities of lunar life. From adventures in the vast gulf of space between the earth and the moon, to journeys across the light face to the dark side, to the establishment of permanent residences on its surface, science fiction has for decades given readers bold and forward-thinking ideas about our nearest interstellar neighbor and what it might mean to humankind, both now and in our future. [This book] collects the best stories written in the fifty years since mankind first stepped foot on the lunar surface, serving as a shining reminder that the moon is and always has been our most visible and constant example of all the infinite possibility of the wider universe\"-- Provided by publisher.
BOOK
The monster and the mad scientist A shock of white hair, a demented smile, a lonely life amid the test tubes: this is the image of the scientist in fiction and film. But, says Paul J McAuley, they are not just mere androids. Scientists have feelings, too
Can the public perception of the value of science and the trustworthiness of scientists sink any lower? With the approval of the majority of the public, protesters dig up experimental plots of genetically modified crops. Despite recent publicity about such triumphs as a vaccine against malaria, biomedical research is tainted with suspicions that, after Dolly the sheep, armies of human clones are about to be unleashed on the world. Arch rationalist Richard Dawkins is forced to decamp to Austria to watch the eclipse because Cornwall is full of new-age mystics and pagans. The mad scientist in question is not Henry Frankenstein, Colin Clive's bewildered cipher, but Dr Septimus Pretorius, a vain, fey, Mephistophilean figure with a shock of white hair and a penchant for gin (`It's my only weakness'), played with feline glee by Ernest Thesiger. It is Dr Pretorius, an amoral creature for whom science is merely a way of affirming his own greatness, who embodies all the negative values that are frequently projected on to scientists. It is Dr Pretorius who plays cat-and-mouse games with the homunculi he has created and keeps imprisoned in glass jars; Dr Pretorius who first prompts and then blackmails the reluctant Frankenstein into creating a Bride for his monster; Dr Pretorius who supplies the necessary parts. It is Dr Pretorius who is destroyed by the monster's self- immolation after rejection by the bride, the Faustian fate (`hubris clobbered by nemesis', as Brian Aldiss has succinctly put it) of all mad scientists. The power-mad scientist whose creation turns upon him is an enduring theme, the stuff of hundreds of schlocky horror and sci-fi movies and novels; Michael Crichton has made a multi-million dollar career out of dramatising the catastrophic consequences of scientists overreaching themselves. It's a theme which touches upon primal fears about the unknown, fears which have been expressed in popular protests against the displacement of skilled artisans by machinery, against atomic weapons, and now against genetic modification. Scientists seem to have grown so powerful and inhuman that, like so many Dr Strangeloves, they'll willingly embrace monstrous creations which threaten to clobber not only them, but the whole world.
Newspaper Article
