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The 2024 Nobel Prize for Physics was awarded to John Hopfield and Geoffrey Hinton, who many have...

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Mark PierceRSS Feed of this column.

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... Read More »

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One of the things that scientists rely on to accurately predict climate change is the amount of carbon sequestered underground. Carbon dioxide in the air leads to increased global warming, exacerbating climate change. When plants have a lot of access to carbon dioxide, they photosynthesize more. Scientists have assumed for a long time that this led to a high concentration of carbon sequestered under the ground. As plants took in this carbon dioxide, they transformed it into compounds and organic structures such as roots and leaves, which would add to the amount of carbon stored underground.

Climate change is one of the most pressing concerns our civilization has. Time Magazine paints a grim picture of what the role is likely to look like in less than thirty years if we don't address the issue. However, it's not as simple as changing one thing. Several inputs and outputs affect climate change. There's no question that leaving it unattended could spell disaster for some communities, however. One by one, these communities will see an evident difference in their climate and weather. The American West is one of those areas that is seeing a definite shift in the environment.

When one thinks about chemistry, one doesn't usually consider quantum mechanics to play a part. Yet it does. When it boils down to it, all matter is a combination of a handful of subatomic particles and the forces holding them together. Chemistry, is in essence, applied physics. For decades, scientists have been trying to determine how to follow a chemical reaction from its initial state through all of its quantum states to its products. The hope was that, by doing so, researchers could understand the quantum dynamics that drive these reactions. Until now, it has mostly been speculation. However, a recent paper published in Nature by Liu et al. suggests that this may be possible.

With climate change a constant hot button issue, the rise of any new industry to a massive and global scale always attracts interested parties. The same has also been true for the CBD industry, which was globally valued over $500 million USD in 2020 and expected to top $4 billion USD by 2027. 

Allergies are nothing new for many people. They grow up suffering the effects of hay fever from season to season. A recent study in the journal Thorax has explored a link between hay fever and being exposed to prenatal pollutants. The findings are pretty surprising. The body of research on the topic isn't as large as it should be, but the study hopes to present conclusions based on a large sample size of subjects. If air pollutants are indeed causing this increase in hay fever, how do we prevent its continued increase? Before we explore the study's findings, we must first understand hay fever and its connection to pollutants.

Horizon

We've all seen how helpful solar panels are in renewable energy. From a consumer perspective, solar power is still an up-and-coming challenger to the existing fossil fuel infrastructure that most power generation systems take advantage of. The University of Michigan estimates that as little as 1.8% of US power generation in 2019 came from solar sources. Part of the reason this number is so low is why more commercial users haven't tapped into the technology. It makes little sense to go to the expense of installing a solar generation system based on the returns that it offers. However, that may soon change, based on new advances in technology.