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Health

11 Jul 2025

‘Molecular shield’ placed in the nose may soon treat common hay fever trigger

Researchers here developed a monoclonal antibody specific against mugwort pollen – an important allergen causing hay fever – in mice, which is highly effective in blocking symptoms of IgE immunoglobin-mediated allergy against this pollen. The monoclonal antibodies can be delivered inside the nose, rather than intravenously, acting almost like a ‘molecular shield’. The study is a proof-of-principle, which can be extended to other pollen species.

Health

25 Jun 2025

New ‘designer drugs’ pose growing threat to road safety in the US

Researchers from the US have reported the initial results from the first quantitative study to focus on the contribution of multiple new psychoactive substances (NPS) from a range of classes to roadway crashes in the US. They found that 2% of 1,000 adults who visited one of two trauma centers in California within six hours after being involved in a roadway crash had traces of NPS in their blood. The most frequent were bromazolam, para-fluorofentanyl, and mitragynine. In most (88%) of these positive cases, NPS had been taken together with traditional recreational drugs such as fentanyl, methamphetamine, and cocaine. These results indicate that NPS are a new concern in roadway crashes and put lives at risk.

Life sciences

16 Jun 2025

“Chicken is her favorite dish. If one clucks, she comes”: how anacondas, chickens, and locals may be able to coexist in the Amazon

Dr Beatriz Cosendey is the author of a recently published Frontiers in Amphibian and Reptile Science article. In it, she and co-authors investigated the role of the anaconda as a mythical creature in Brazil’s Lower Amazon region, locals’ perception of the snake, and how better coops for chickens could play a vital role in the peaceful co-existence of people and snakes.

Life sciences

13 Jun 2025

Swarm intelligence directs longhorn crazy ants to clear the road ahead for sisters carrying bulky food

Scientists studied the obstacle-clearing behavior of longhorn crazy ants, where a subset of workers temporarily specializes in removing tiny objects blocking the path between the nest and large food items. Experiments revealed that serial clearing behavior can be triggered by a single pheromone mark, which happened to be deposited near an obstacle by a forager recruited to a large food item. Clearing mostly occurs in the context of collective transport, which typically stalls in front of obstacles. The authors concluded that obstacle-clearing is a form of ‘swarm intelligence’ which emerges at the colony level, and which does not require understanding by individual ants.