Triggering original fear memories could treat phobias and PTSD

In a lab in Amsterdam, arachnophobes have volunteered to encounter their eight-legged nemeses to help researchers hoping to conjure and obliterate fear memories. These studies, as well as new understanding of overlooked brain regions, are revealing how fears linked to PTSD or phobias work, and how they may be treated. In upcoming clinical trials, Professor … Read more

They can capture more carbon than they emit. So why aren’t wooden buildings mainstream?

Four storeys high and made almost entirely of wood, the ZEB Lab building in Trondheim, Norway, had, even before it existed, sucked as much carbon from the atmosphere as it would probably produce in construction. Now, thanks to its arboreal origins, as well as to the sleek expanse of solar panels on its roof and … Read more

Five things you need to know about: Delaying the gap between Covid-19 vaccine doses

As the first coronavirus vaccines started to be rolled out at the end of a tumultuous 2020, UK officials unexpectedly endorsed stretching the gap between the first and second vaccine dose by up to three months – an approach also considered by other countries. The rationale is that, with the virus raging alongside uncertainty about vaccine supply, vaccinating a … Read more

Unravelling the when, where and how of volcanic eruptions

There are about 1,500 potentially active volcanoes worldwide and about 50 eruptions occur each year. But it’s still difficult to predict when and how these eruptions will happen or how they’ll unfold. Now, new insight into the physical processes inside volcanoes are giving scientists a better understanding of their behaviour, which could help protect the 1 billion people … Read more

Buildings, tunnels and bridges could soon repair themselves

Stone and concrete structures with the ability to heal themselves in a similar way to living organisms when damaged could help to make buildings safer and last longer. Over time the weather, vibration, ground movements and general wear and tear can take their toll on the masonry and concrete used in buildings. But keeping buildings in … Read more