On October 10, 2018, Tyndall Air Force Base on the Gulf of Mexico—a pillar of American air superiority—found itself under aerial attack. Hurricane Michael, first spotted as a Category 2 storm off the Florida coast, unexpectedly hulked up to a Category 5. Sustained winds of 155 miles per hour whipped into the base, flinging power poles, flipping F-22s, and totaling more than 200 buildings. The sole saving grace: Despite sitting on a peninsula, Tyndall avoided flood damage. Michael’s 9- to 14-foot storm surge swamped other parts of Florida. Tyndall’s main defense was luck.

That $5 billion disaster at Tyndall was just one of a mounting number of extreme-weather events that convinced the US Department of Defense that it needed new ideas to protect the 1,700 coastal bases it’s responsible for globally. As hurricanes Helene and Milton have just shown, beachfront residents face compounding threats from climate change, and the Pentagon is no exception. Rising oceans are chewing away the shore. Stronger storms are more capable of flooding land.

In response, Tyndall will later this month test a new way to protect shorelines from intensified waves and storm surges: a prototype artificial reef, designed by a team led by Rutgers University scientists. The 50-meter-wide array, made up of three chevron-shaped structures each weighing about 46,000 pounds, can take 70 percent of the oomph out of waves, according to tests. But this isn’t your grandaddy’s seawall. It’s specifically designed to be colonized by oysters, some of nature’s most effective wave-killers.

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Four years after the outbreak of the COVID-19 pandemic, doctors and researchers are still seeking ways to help patients with long COVID, the persistent and often debilitating symptoms that can continue long after a COVID-19 infection.

In adults, the most common long COVID symptoms include fatigue and brain fog, but for children the condition can look different. A study published last month suggests preteens are more likely to experience symptoms such as headaches, stomach pain, trouble sleeping, and attention difficulties. Even among children, effects seem to vary by age. “There seems to be some differences between age groups, with less signs of organ damage in younger children and more adultlike disease in adolescents,” says Petter Brodin, professor of pediatric immunology at Imperial College London.

While vast sums have been devoted to long COVID research—the US National Institutes of Health have spent more than a billion dollars on research projects and clinical trials—research into children with the condition has been predominantly limited to online surveys, calls with parents, and studies of electronic health records. This is in spite of a recent study suggesting that between 10 and 20 percent of children may have developed long COVID following an acute infection, and another report finding that while many have recovered, some still remain ill three years later.

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Four years after the outbreak of the COVID-19 pandemic, doctors and researchers are still seeking ways to help patients with long COVID, the persistent and often debilitating symptoms that can continue long after a COVID-19 infection.

In adults, the most common long COVID symptoms include fatigue and brain fog, but for children the condition can look different. A study published last month suggests preteens are more likely to experience symptoms such as headaches, stomach pain, trouble sleeping, and attention difficulties. Even among children, effects seem to vary by age. “There seems to be some differences between age groups, with less signs of organ damage in younger children and more adultlike disease in adolescents,” says Petter Brodin, professor of pediatric immunology at Imperial College London.

While vast sums have been devoted to long COVID research—the US National Institutes of Health have spent more than a billion dollars on research projects and clinical trials—research into children with the condition has been predominantly limited to online surveys, calls with parents, and studies of electronic health records. This is in spite of a recent study suggesting that between 10 and 20 percent of children may have developed long COVID following an acute infection, and another report finding that while many have recovered, some still remain ill three years later.

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Outside a 100-year-old house on the edge of the Peak District in northern England, a heat pump’s fan blades are swiftly spinning. They’re drawing outdoor air over coils of refrigerant, harvesting warmth from that air. All air-source heat pumps do this—and they can glean heat even on cold days. But this heat pump is special. It is one of the most efficient installations of its kind in the country.

“I’m number two on there,” fizzes owner Rob Ritchie, a retired chemistry teacher, referring to the system’s position on HeatPumpMonitor.org, a kind of online leaderboard for heat pumps around the UK and beyond. “I should say it isn’t important—but it is. It’s nice being there.”

At the time of writing, real-time data suggests that for every kilowatt-hour of electricity Ritchie’s heat pump consumes, it delivers 5.5 kilowatt-hours of heat—a coefficient of performance, or COP, of 5.5. Achieving a COP of 5 or above is “absolutely incredible,” says Emma-Louise Bennett, active transition support lead at Viessmann, the company that made Ritchie’s heat pump. In the UK, average heat pump COPs tend to be between 2 and 3.

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Enlarge / Fungus samples are seen on display inside the Fungarium at the Royal Botanic Gardens in Kew, west London in 2023. The Fungarium was founded in 1879 and holds an estimated 380,000 specimens from the UK. (credit: Henry Nicholls/AFP via Getty Images)

It’s hard to miss the headliners at Kew Gardens. The botanical collection in London is home to towering redwoods and giant Amazonian water lilies capable of holding up a small child. Each spring, its huge greenhouses pop with the Technicolor displays of multiple orchid species.

But for the really good stuff at Kew, you have to look below the ground. Tucked underneath a laboratory at the garden’s eastern edge is the fungarium: the largest collection of fungi anywhere in the world. Nestled inside a series of green cardboard boxes are some 1.3 million specimens of fruiting bodies—the parts of the fungi that appear above ground and release spores.

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