Oura Health Oy raised more than $900 million in a series E funding round to fuel global expansion of its popular smart ring and development of new health technologies. The new infusion brings the company’s total funds raised to date to $1.5 billion and implies a corporate valuation of about $11 billion, Oura said.

Researchers from The Ohio State University have filed for protection of Neurothread, a wire-type neurotransmitter-sensing platform that utilizes the cross-section of commercially available ultrathin microwires as microelectrodes.

The first patenting from Theta Neurotech Inc. sees the company’s co-founders describe their development of a wearable earpiece that uses an electroencephalography technology and machine learning algorithms to alert epilepsy patients 30 to 60 minutes before they have a seizure.