As the population grows older and diabetes becomes more common, chronic wounds are affecting more people than ever. These slow healing injuries significantly raise the risk of infection, tissue damage, and amputation. Researchers at UC Riverside have developed a new oxygen delivering gel designed to help wounds heal before they progress to limb loss. A wound that remains open for longer than a month is classified as chronic. Worldwide, about 12 million people experience chronic wounds each year,...

guest column By Daniel T. Makokera A new scramble for Africa is underway. It is not marked by warships or colonial flags, but by battery supply chains, green transition targets, and high-level trade delegations. The race is for lithium, cobalt, graphite, manganese, platinum group metals and rare earth elements — the minerals powering electric vehicles, renewable energy systems and digital infrastructure. This scramble is quieter than the 19th-century version. But its implications could be just...

In the lead-up to Samsung’s Unpacked event next week, a major leak of promo materials confirms a few key details such as faster charging, while also showing the Privacy Display in better detail than we’ve seen. Official-looking Samsung promo materials posted on Twitter/X by @ya_sking12767 show off Samsung’s new phones – Galaxy S26, S26+, and Galaxy S26 Ultra, alongside the Galaxy Buds 4 series. There’s prominent Galaxy AI branding, of course, as well as a quick look at Samsung’s Phot...

Google has officially unveiled the Pixel 10a, its newest entry in the A-series lineup. On the surface, it looks like another compelling budget-friendly Pixel: minimalist design, fresh colours, a large battery, and Google’s well-known AI features. But dig a little deeper, and the excitement quickly fades. For many buyers, the Pixel 10a may feel like a déjà vu moment – a phone that looks new but behaves very much like last year’s Pixel 9a. In fact, the similarities run so deep that a growi...