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The world’s largest particle accelerator is back in business. Today, two beams of protons circulated in opposite directions around the Large Hadron Collider’s 27-kilometer ring at their injection energy of 450 billion electronvolts (450 GeV), marking the conclusion of a three year hiatus for maintenance, consolidation and upgrade work.The work was done so that it can operate at an even higher energy and deliver significantly more data to the upgraded LHC experiments but high-energy collisions still months away. The beams circulated today were a test at injection energy and contained a small number of protons.

 Solar power has potential but a crippling weakness that has meant despite trillions of dollars in subsidies and continuing mandates, it has not made a dent in use of conventional energy; it is not on demand and batteries are expensive and going to do more harm to the future than natural gas.The solar energy system MOST – Molecular Solar Thermal Energy Storage Systems - is starting small but the concept of a specially designed molecule that changes shape when it comes into contact with sunlight scaled to operational sizes might mean real solar farms in remote places that provide electricity as well as conventional energy.

Water has varied in temperature for as long as water has existed and it seems evolution has provided coral reefs a recovery mechanism after variation results in 'bleaching' - when corals expel algae and turn white. It can have some impact beyond algae because about 275 million people live near a coral reef and they can be tourist attractions and help support fishing industries.In 2018, two years after the government protected Chagos Archipelago underwent bleaching, the reef coral cover and carbonate production were down by more than 70 percent. Yet by last year, they were found to have rebounded nicely. 

South-East Asia is a substantial consumer of rice but also accounts for about 40 percent of international rice exports. Before population plateaus some time after 2050, and as globalization makes the world more prosperous, there will likely be 18 percent higher demand for rice in the region.

Bad dietary habits start young, as do most bad habits, from smoking to drug use. Good habits tend to be the same. It is known that movement on a regular basis keeps kids healthy but a new study found that physical fitness is also linked to concentration and health-related quality of life for primary school pupils.

Though activists will highlight mass shootings as a gun problem rather than a criminal act, as in a Sacramento, California shooting a few days ago, legal California gun ownership has had an inverse relationship to crime and deaths. More guns than ever are owned but there are fewer gun deaths per capita.

A recent trial of lamivudine, a reverse transcriptase inhibitor used in HIV therapy, found that it stopped disease progression in patients with fourth-line metastatic colorectal cancer. The trial included 32 patients with advanced metastatic colon cancer whose disease progressed despite four lines of previous cancer treatments. The first nine patients received the standard HIV-approved dose of lamivudine. After adjusting the dosing four-fold, another 23 patients received lamivudine therapy where it was highly tolerated.

In an Instagram post, the family of Bruce Willis revealed that the actor has been diagnosed with aphasia, and the cognitive decline resulting means he is stepping away from his acting career.Aphasia is devastating for an actor because all three kinds - Broca's aphasia, Wernicke's aphasia, and global aphasia - mean a loss of communications ability. And when an actor has to struggle to communicate at all, they are losing the ability to act.

Tiger blood, rhino horns, any number of natural supplements, including from endangered species, are used in the alternative medicine spheres - and that market is dominated by Asia.Sea cucumbers are used in Chinese folk medicine but are also a luxury food product and that demand has meant once-thriving Mexican sea cucumber populations have been decimated due to poaching. China doesn't care where its products come from, so any certification could be as illegitimate as an organic food sticker from Russia.Sea cucumbers are ecologically critical but a new literature review finds that Asian food markets have them on the brink of crisis. 

Prior to the latest coronavirus pandemic, many were indifferent about getting the flu vaccine. They shouldn't be. Co-infections are not common but a new study finds that adults in hospital who have COVID-19 and the flu at the same time are at much greater risk of severe disease and death - over four times more likely to require ventilation support and 2.4 times more likely to die than if they only had COVID-19.

A new mode of how antibodies navigate the surface of pathogens like coronaviruses compares the migration of these pathogen hunters to the random movements of a child on stepping stones.Antibodies are often thought of as Y-shaped proteins but perhaps a more accurate way to envision them is to flip the picture upside down and regard antibodies as walking stick figures, stepping on antigens. Those two characteristic “Y” branches function as legs of sorts.

No one will miss the COVID-19 pandemic. Except maybe greenhouses.New surveys show about one out of every three people began gardening in 2020 because they were home more due to SARS-CoV-2 restrictions and worries. Many also put in new grass lawns and did outdoor renovations, such as installing new plant beds and other landscaping.