Excalidraw is an innovative online whiteboarding tool that uses the power of artificial intelligence (AI) to convert simple text prompts into detailed, professional-quality diagrams. Whether you ...

More than half a billion years ago, mystery predators bored into shelled animals' defensive casings. Some of the holey shells became fossilized, and now tell us the story of the earliest known battle ...

LONDON, Jan 8 (Reuters) - Shell (SHEL.L), opens new tab will write down around $400 million over an oil discovery offshore Namibia that it deemed commercially unviable in a blow to the southern ...