Support for Science-related topics on Wolfram Alpha results

With the new Wolfram Alpha integration, it would be nice to have Wolfram-powered answers for Science-related topics (Physics & Chemistry?).

It does seem to support some queries (e.g. platinum melting point), but I would like to have more

Query examples:

Can't reproduce, for me it literally answers all those questions perfectly

I swear it wasn’t doing this before! Seems to be working perfectly now. Thanks!