Heating, which accounts for nearly half of global energy demand, could see a potential alternative with the development of a fluid capable of storing solar energy for months, according to a recent study. Simultaneously, the U.S. and Iran are scheduled to hold a second round of nuclear talks in Geneva, while researchers are also exploring the side effects of weight-loss drugs and the challenges families face when caring for dementia patients.
The research on solar energy storage, detailed in a recent study, focuses on molecular solar thermal (MOST) energy storage. This approach aims to trap solar energy within the bonds of a molecule, allowing it to release heat on demand. "While it has been the next big thing for decades, it never really took off," according to Source 1 (Ars Technica).
In Geneva, the U.S. and Iran are preparing for their second round of discussions regarding Iran's nuclear program. The talks come as the United States increases its military presence in the Middle East, and Iran conducts large-scale maritime exercises, as reported by Source 2 (NPR Politics). The meeting took place on Tuesday, February 17, 2026.
Meanwhile, families caring for dementia patients face significant challenges. Dr. Marc Rothman, a geriatrician who makes house calls, noted that families often "slowly tiptoeing into crisis," as they become engulfed by the demands of caregiving. "You need to essentially create a nursing home for one – it is incredibly complicated," said Rothman, who is also the CEO of Lizzy Care, a tech company assisting families with dementia care, according to Source 3 (NPR News).
In other news, researchers have made a breakthrough in lithium-ion battery technology. Using a pioneering technique, they were able to detect nanoscopic carboxymethyl cellulose (CMC) layers and styrene butadiene rubber (SBR) agglomerates on graphite particles in a lab-made Li-ion anode, according to Source 4 (Phys.org).
Finally, the use of GLP-1 weight-loss drugs has surged, with user numbers more than doubling since 2024. While fatigue and nausea are common side effects, new symptoms are emerging as more people use the drug. Dr. Sera Lavelle, a clinical psychologist, has observed these new side effects, according to Source 5 (Vox).
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