A 444-million-year-old Keurbos susanae fossil specimen found in South Africa. (Photo courtesy of Sarah Gabbott) Researchers have discovered two 444-million-year-old fossil specimens that were “inside out” and contained well-preserved soft tissue, a new study has found. Unlike most fossils, the…
These plates contain Mycobacterium tuberculosis, the bacteria that causes tuberculosis (TB). Each highlighted area contains a different antibiotic, and you can tell which ones the bacteria are resistant to based on how much they grow in that area. Drug resistance…
One of the key methods to protect your eyes from damage during a partial eclipse is to use solar eclipse glasses that are certified to the international standard ISO 12312-2. (Image credit: Anadolu/Contributor via Getty Images) Viewers in parts of…
The rough-sided biradiate (Ovicula biradiata) was discovered by a volunteer in Big Bend National Park. (Photo courtesy of James Bailey © California Academy of Sciences) While hiking in Big Bend National Park in the Chihuahuan Desert of Texas, a volunteer…
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