23 July 2015 The  XML Security Working Group  has published a Group Note of  XML Signature Syntax and Processing Version 2.0 . This informative W3C Working Group Note describes XML digital signature processing rules and syntax. XML Signatures provide integrity, message authentication, and/or signer authentication services for data of any type, whether located within the XML that includes the signature or elsewhere. Learn more about the  Security Activity . 🔬✨ Turn Screen Time into Science Time with PlayPuzzle Science Lab! Let your child explore, experiment, and discover science in a fun, interactive virtual laboratory! 🧪⚡🌍 With PlayPuzzle Science Lab, kids can: ⚛️ Build atoms and explore electrons 🧬 Create and explore molecules in 3D 🔥 Discover solids, liquids & gases ⚗️ Mix virtual reactions and see what happens 💡 Build electric circuits 🧲 Explore physics, forces, magnets & motion 🫀 Discover the human body 🌱 Explore food chains and ecosystems...

23 July 2015 The  Internationalization Working Group  has published a First Public Working Draft of  Requirements for Chinese Text Layout . The document describes requirements for Chinese script layout and text support on the Web and in digital publications. These requirements inform developers of Web technologies such as CSS, HTML, and SVG, and browser and tool implementers, about how to support users working in Chinese. The document is being developed by the  Chinese Layout Task Force , part of the  Internationalization Interest Group . This is still a very early draft and the group is looking for comments and contributions to support the further development of the document.