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The chances of someone being killed by space junk falling from the sky might seem very slim. After all, no one has died from such accidents yet, although there have been cases of injuries and property damage. But given that we are launching more and more satellites, rockets and probes into space, do we need to start taking more serious risks? Frame Stock Footage/Shutterstock A new study, published in Nature Astronomy, has predicted the possible causality of the falling rocket parts over the next ten years. ADVERTISEMENT CONTINUE READING BELOW Every minute of every day, debris rains down on us from space – a danger we are almost completely unaware of. Microscopic particles from asteroids and comets scatter downward through the atmosphere to settle on Earth’s surface – adding up to about 40,000 tons of dust each year. While this is not a problem for us, such debris can damage spacecraft – as recently reported by the James Webb space telescope. Occasionally, larger samples arrive as m

The Bank of Canada’s (BoC) surprise decision to raise interest rates by 1 percentage point has shocked global markets and Canadian borrowers and raised expectations more central banks will follow with super-sized hikes. Key points: The Bank of Canada has raised interest rates by a full percentage point, while monetary authorities in Singapore and the Philippines have also tightened them sharply Former IMF chief economist Maurice Obstfeld worries the central bank is catching up after delaying rate hikes for too long He warned that rising interest rates too quickly around the world could trigger a major economic downturn like that seen in the 1980s The BoC raised its policy rate from 1.5 percent to 2.5 percent, the highest since 2008, in a bid to contain inflation. It is far from alone in raising interest rates quickly. Today, the Philippine central bank raised interest rates by 0.75 percentage points to 3.25 percent in an unscheduled move, while the Singaporean authorities also tighten

“Beauty is an iron mine,” says Australian mining magnate Gina Reinhart. He talked about a valuable resource, but iron is also very important for living organisms: from bacteria and fungi, to mammals like us. Shutterstock Iron acts as a key to various metabolic functions in our body. But iron deficiency remains one of the top global health risks recognized by the World Health Organization (WHO). ADVERTISEMENT CONTINUE READING BELOW Iron deficiency has become the most common micronutrient disorder worldwide, and COVID may exacerbate the problem. Iron is hard to come by The type of iron we mine is different from the biologically usable “free form” iron. Free-form iron has a tendency to jump between two chemical states, allows it to bind to various molecules, and participates in all sorts of important reactions in our bodies. But we see a different story again during the digestion of food. In our upper small intestine where iron is most effectively absorbed, free form iron tends to bin

Australia’s largest sample collection of wild birds has been established by experts across the country, including a Deakin University researcher. This is what is shown about zoonotic diseases. The COVID-19 pandemic is the latest zoonotic disease – caused by germs that spread from animals to humans. But an outbreak of monkeypox and Japanese encephalitis means keeping up with viral traffic has never been more important. Experts say it is only a matter of time before another new infectious virus outbreak strikes. A new virus that combines human influenza and avian influenza is a prime candidate for the next pandemic. Bird flu is causing problems globally and in Australia. In 2020 alone, nearly half a million Victorian birds were culled following several outbreaks involving three strains of the virus. While avian influenza viruses generally attach themselves to infecting birds, they sometimes make potentially lethal jumps to other animals, including humans. Fortunately, research to an

Findings from a retrospective population-based study demonstrated an association between severe eating disorder anorexia and a substantially increased risk of adverse pregnancy outcome. Women diagnosed with anorexia nervosa are five times (500%) more likely, on average, to have a small baby for gestational age (SGA), according to a new, comprehensive study. The results presented at the 2022 ESHRE annual meeting also showed a substantially increased risk (298%) of preterm delivery and a more than threefold (341%) chance of placental abruption, when compared with mothers without anorexia. The analysis is based on data from more than 9 million women living in North America both with and without anorexia, a severe psychiatric disorder characterized by self-starvation and malnutrition. In presenting the data, Dr Michael Dahan of McGill University, Montreal, said that the incidence of newborn SGA in the anorexic group was ‘unexpected and striking’ when compared with the results for women o

“Beauty is an iron mine,” says Australian mining magnate Gina Reinhart. He talked about a valuable resource, but iron is also very important for living organisms: from bacteria and fungi, to mammals like us. Iron acts as a key to various metabolic functions in our body. But iron deficiency remains one of the top global health risks recognized by the World Health Organization (WHO). Iron deficiency has become the most common micronutrient disorder worldwide, and COVID may exacerbate the problem. Iron is hard to come by The type of iron we mine is different from the biologically usable “free form” iron. Free-form iron has a tendency to jump between two chemical states, allows it to bind to various molecules, and participates in all sorts of important reactions in our bodies. But we see a different story again during the digestion of food. In our upper small intestine where iron is most effectively absorbed, free form iron tends to bind to oxygen, other minerals, and food components.