Kenya’s mobile pay platform was probably the first established in 2007. In 4 years it will be two decades. I had PayPal with my old phone line. Now the President of Kenya, there with Tim Cook has said Apple play also will be integrated with MPESA, Kenya’s mobile money platform. Kenyans also were paid about $2 an hour to make ChatGPT safer. Kenya has alot to offer, except leadership. 🙄 President Ruto spoke at the US-Affica Business Roundtable yesterday.
By Daniel Ogetta.
Reporter.
Breast cancer in its various forms affects more than 250,000 Americans a year. One particularly aggressive and hard-to-treat type is triple-negative breast cancer (TNBC), which lacks specific receptors targeted by existing treatments. The rapid growth and metastasis of this cancer also make it challenging to manage, leading to limited therapy options and an often poor prognosis for patients.
A promising new approach that uses minuscule tubes to deliver cancer-fighting drugs directly to the tumor site while preserving healthy cells has been developed by Johns Hopkins engineers. The team’s research appeared in Nanoscale.
“In this paper, we showed that we can use nanotubes to specifically target both proliferating and senescent TNBC cells with chemotherapeutics and senolytics, killing them without targeting healthy breast cells,” said Efie Kokkoli, professor of chemical and biomolecular engineering, a core researcher at the Johns Hopkins Institute for NanoBioTechnology, and a specialist in engineering targeted nanoparticles for the delivery of cancer therapeutics.
Ecologists have shown that the genetic material that species.
A species is a group of living organisms that share a set of common characteristics and are able to breed and produce fertile offspring. The concept of a species is important in biology as it is used to classify and organize the diversity of life. There are different ways to define a species, but the most widely accepted one is the biological species concept, which defines a species as a group of organisms that can interbreed and produce viable offspring in nature. This definition is widely used in evolutionary biology and ecology to identify and classify living organisms.
Storm Lee hits Nova Scotia, bringing high winds, rough surf, and torrential rains to New England and Maritime Canada.
Vertical farming saves water, land, and energy — and it could be how we grow food on Mars.
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Vertical farming is a type of indoor farming where crops are grown in stacked layers, rather than spread out across large plots of land. These farms offer many benefits over traditional ones, including the prospect of better access to healthy foods in underserved communities.
Because vertical farms use LED lighting, their output isn’t subject to the natural elements that typically affect plant production such as adverse weather, insects, and seasons.
They’re better for the environment because they require less energy and put out less pollution, without a need for heavy machinery, pesticides, or fertilizers. Additionally, soil-less farming methods like aeroponics require just 10% of the amount of water consumed by outdoor farms.
Adopting these sustainable farming practices could lead to a monumental shift in how we produce food on Earth, and enable us to create a reliable food source beyond our planet.
A demonstration that certain electron-transport processes can be tuned in a hybrid semiconductor-superconductor system could be useful for developing quantum computers.
Posted in materials
New experiments reveal graphene’s exotic phonon spectrum with unprecedented detail and completeness.
The observation of Fermi “pockets” in the Fermi surface of exotic superconductors provides a major step toward explaining some mysterious electronic states.
Using a ballpoint pen filled with specially formulated inks, scientists have designed LEDs that can be drawn on everyday materials.
Even in our digital age, ballpoint pens are an irreplaceable tool for writing down flashes of inspiration or signing legally binding documents. The ink flowing through these everyday objects has always been a passive absorber of light, but Junyi Zhao from Washington University in St. Louis and colleagues have now changed that [1]. The team has designed a ballpoint pen that writes with ink that produces light as a light emitting diode (LED).
LEDs are used in everything from TV screens to lightbulbs. They are often made using highly tunable semiconducting materials called halide perovskites. However, these devices have traditionally been time and energy intensive to fabricate, and they do not easily adhere to nonuniform substrates, such as fabric and plastic.
