Entomologists have described a new species of tiger swallowtail (genus Papilio) from eastern North America. Papilio solstitius: (a) male, holotype and (b) female, allotype. Scale bar – 10 mm. Image credit: DeRoller et al., doi: 10.3897/zookeys.1228.142202. Papilio is a large genus of swallowtail butterflies within the family Papilionidae. The only representative of the tribe Papilionini,…
Giant pandas (Ailuropoda melanoleuca) belong to the order Carnivora, but they mainly feed on bamboo, and their unique dietary adaptability has always been the focus of research. Recent studies indicate that plant-derived microRNAs (miRNAs) can be delivered to animal organisms via exosomes — nano-sized vesicles (40-100 nm) released by various cell types into the extracellular space…
Young video game company Nordic Games now owns the majority of bankrupt publisher THQ’s most famous properties, including Darksiders, Red Faction and the MX series. Its plans for those franchises are still gelling, says Reinhard Pollice, Nordic Games’ business and product development director. But Nordic Games may soon have news to share about its recently…
Plus: a judge has blocked the firings of US federal government workers This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. An AI companion site is hosting sexually charged conversations with underage celebrity bots Botify AI, a site for chatting with AI…
This article first appeared in The Checkup, MIT Technology Review’s weekly biotech newsletter. To receive it in your inbox every Thursday, and read articles like this first, sign up here. This week I’ve been working on a story about a brain of glass. About five years ago, archaeologists found shiny black glass fragments inside the skull of a…
Proceedings of the National Academy of Sciences, Volume 122, Issue 8, February 2025. SignificanceThe ideal solution model provides the conceptual foundation of solution thermodynamics and is a useful tool for a priori phase equilibria prediction based only on pure component properties. However, solutions of water and organic molecules …
Proceedings of the National Academy of Sciences, Volume 122, Issue 8, February 2025. SignificanceThe cGAS–STING pathway plays a key role in innate immunity by producing proinflammatory cytokines in response to cytosolic DNA. Moreover, activation of the pathway also leads to noncanonical autophagy, an evolutionarily conserved process with …
Proceedings of the National Academy of Sciences, Volume 122, Issue 8, February 2025. SignificanceWe establish surprising phenomena in magnetic systems, in strong contrast to the long-understood phenomena in nonmagnetic systems. We construct quantum double-well systems such that, in a strong magnetic field, the tunneling effect between …
Reputation management for startups is key. A positive image can draw in customers, investors, and talent. But a damaged reputation? It can be disastrous. Startups face challenges like limited resources and little brand recognition. That’s why having a strategy to handle both online presence and potential crises is crucial. Startups need to know how to…
Local online reputation management is crucial for businesses trying to stand out. What people say about a brand online can make or break its success. Managing online reviews, social media mentions, and search engine results is key. A positive image online often means more foot traffic, calls, and clicks. Businesses that stay on top of…
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