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By Brittany Howard

The US Presidential Order imposing travel restrictions is of deep concern to the international scientific community.

Many expressions of concern emerged from the scientific community in the wake of Presidential Executive Order 13769, ‘Protecting the Nation from Terrorist Entry into the United States’, signed by President Donald J. Trump on 27 January 2017. Among them was a statement on 3 February issued by the American Chemical Society, discussing the ‘chilling effect this order may potentially have on the freedom of scientific exchange among scientists and students worldwide’.

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Friends of Timor Leste Chemistry

By Tom Spurling

Call for expressions of interest

I have been to Timor Leste twice, in 2015 and 2016. In 2016, I met with Professor Samuel Venancio de Sousa Freitas, Dean of the Faculty of Science at the National University of Timor Leste. He is a chemist and is keen to form a Timor Leste Chemical Society (TLCS) and to participate in regional activities through the Federation of Asian Chemical Societies. I have been helping him to set up the society.

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Next-gen steel under the microscope

By University of Queensland

Overcoming hydrogen alloy embrittlement

 

Next-generation steel and metal alloys are a step closer to reality, thanks to an international research project involving a University of Queensland scientist.

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Also in this issue...

High cobalt levels in Queensland turtle blood

Cobalt, a naturally occurring mineral that can also be an environmental pollutant, has been recorded in the blood of Queensland turtles at potentially harmful levels.


Organo-metal compound seen killing cancer cells from inside

Researchers at the University of Warwick, UK, have witnessed – for the first time – cancer cells being targeted and destroyed from the inside, by an organo-metal compound.


Directed evolution: following nature’s lead

Dave Sammut speaks to Caltech professor Frances Arnold, who is ‘using biology to do chemistry’.


The mathematics problem

‘I signed up for chemistry, not mathematics’ is a common complaint among chemistry students, especially at first-year undergraduate level, but also at senior secondary level and TAFE. Chemistry teachers and educators have observed that today’s students have less confidence to handle numerical calculations then their counterparts 20 years ago.


Previous issue

By Ian D. Rae

A century ago, amongst military conflict and political change, chemistry in Australia and around the world was making its mark.

It's almost impossible to pick up a scientific publication at the moment without reading something about graphene or one of its carbon cousins, including nanotubes and buckyballs. Graphene itself is simply an individual layer of the common mineral graphite – the black material in pencil lead – pure carbon atoms bonded together in an ultrastrong hexagonal pattern.

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Chemists tie tightest-ever knot

By University of Manchester

Self-assembly around metal ions

Scientists at the University of Manchester have produced the most tightly knotted physical structure ever known – a scientific achievement that has the potential to create a new generation of advanced materials.

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Scientist employment and remuneration: 2016 survey results

By Professionals Australia

Science employment

The Professional Scientists Employment and Remuneration Survey is an annual snapshot of remuneration including base salary and other benefits across sectors, responsibility levels, years of experience, job functions, industries and branches of science.

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Also in this issue...

Drug detection on the road

Despite numerous studies, our standards of evidence for drugs in relation to driver impairment still fall behind those for alcohol and fatigue.


Choose your chemistry at the Centenary Congress

Early bird registration for the Centenary Congress closes on 23 April, so here’s a taste of what each event has to offer.


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