Scientists engineer mosquitoes that can’t spread malaria

Professor George Christophides holds a cage of mosquitoes. Credit: Imperial College London Scientists have engineered mosquitoes that slow the growth of malaria-causing parasites in their gut, preventing transmission of the disease to humans. The genetic modification mosquitoes to produce compounds in their guts that stunt the growth of parasites, meaning they are unlikely to reach … Read more

Flood-hit Pakistan faces spread of infectious diseases

Dr. Bashir Abbas holds a free medical camp at the village Khuda Bux Mari on 31 August 2022, organised by Research and Development Foundation, in Tando Adam, Sanghar district. Ninety-nine patients were treated: 43 had diarrhoea, 21 fever and cough, 20 skin diseases, and 8 malaria. Seven people complained of minor health problems. Fourteen children … Read more

Chemistry lab students predict spread of COVID-19 with kinetics models

In this graph, students in the spring kinetics lab predicted daily cases in the state of Ohio through fall 2022. Credit: Ohio University Chemist Jixin Chen looked at the rapid spread of COVID-19 early in the pandemic and saw a novel opportunity for his kinetics lab, where they study the rates of reactions. The first … Read more

The westward spread of zebra and quagga mussels shows how tiny invaders can cause big problems

NPS/Flickr” width=”800″ height=”394″/> A boat propeller encrusted with zebra mussels. Credit: NPS/Flickr The zebra mussel has been a poster child for invasive species ever since it is unleashed economic and ecological havoc on the Great Lakes in the late 1980s. Yet despite intensive efforts to control it and its relative, the quagga mussel, these fingernail-sized … Read more

I watched flat-Earth videos to learn how conspiracy theories spread

This article was originally published at The Conversation. (opens in new tab) The contributed the article to’s Expert Voices: Op-Ed & Insights. Carlos Diaz Ruiz (opens in new tab)Assistant Professor, Hanken School of Economics Around the world, and against all scientific evidence, a segment of the population believes that Earth’s round shape is either … Read more

Spotted lanternflies are hatching again. But how far do they spread each year?

Black-and-white spotted lanternfly nymphs about a quarter-inch long are starting to hatch in the region, hopping across decks, patios, and trees before they morph over the summer into flying Technicolor adults. If you haven’t seen them in your yard yet, it could only be a matter of time. The invasive pests are turning out to … Read more

Study finds superbug C. difficile can jump between pigs and humans, providing evidence of zoonotic spread

A medical illustration of Clostridioides difficile bacteria, formerly known as Clostridium difficile, presented in the Centers for Disease Control and Prevention (CDC) publication entitled, Antibiotic Resistance Threats in the United States, 2019. Credit: CDC A study investigating samples of the superbug Clostridioides difficile across 14 pig farms in Denmark finds the sharing of multiple antibiotic-resistance … Read more