The Hairy Ball theorem, proved by Henri Poincaré in 1885, demonstrates that it's impossible to create a perfectly smooth hair pattern on a spherical surface. The theorem states that any continuous ...

Shell warned that a weak oil-trading performance would weigh on its earnings, compounding what is shaping up to be a challenging period as prices continue to slide. The London-based energy company ...

For generations, Indian students have learnt it simply as the Pythagoras Theorem. In a quiet but significant shift, the Class 8 NCERT mathematics textbook has now introduced it as the ...

Shell plc SHEL is reportedly considering a return to Venezuela as political and policy changes raise the prospect of renewed foreign investment in the country’s energy sector. The British oil major ...

Update: A Pemex subsidiary completed the deal with former 50-50 joint venture partner Shell PLC subsidiary Shell Oil Co. to acquire full ownership of Shell Deer Park Refining LP’s 340,000-b/d refinery ...

Mystery solved! Here's what TL;DR means and why you keep seeing it online. It can be hard to stay current with the latest slang. Language (and internet culture) continues to evolve, resulting in an ...