She Said Yes. Twice.

Damon Holick could hardly believe it when his mother called in April of 2021 to say she thought she saw a photo of him on television proposing to Erica Willard. She was right. The photo of Mr. Holick on one knee in front of Ms. Willard at the pier in the Woodlands, Texas, at Hughes…

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Bacteria navigate on surfaces using a ‘sense of touch’

Many disease-causing bacteria such as Pseudomonas aeruginosa crawl on surfaces through a walk-like motility known as “twitching”. Nanometers-wide filaments called type IV pili are known to power twitching, but scientists ignore which sensory signals coordinate the microbes’ movements. Now, EPFL researchers have found that Pseudomonas bacteria use a mechanism similar to our sense of touch…

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New insights into immune responses to malaria

Advanced technologies have been used to solve a long-standing mystery about why some people develop serious illness when they are infected with the malaria parasite, while others carry the infection asymptomatically. An international team used mass cytometry – an in-depth way of characterising individual cells – and machine learning to discover ‘immune signatures’ associated with…

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