These robots can clean, exercise - and care for your elderly parents. Would you trust them to?

After four months of testing, the Oura Ring Gen 4 has impressed us enough to earn the titles of best smart ring and best sleep tracker available. Its innovative features and design make it a standout in the wearable technology market, although it's important to note that it may not suit everyone's needs in the long run.

Recent research is shedding light on why GLP-1 drugs like Ozempic and Wegovy don't lead to weight loss for everyone. Scientists are investigating the role of genetics in determining how individuals respond to these medications. This is important because understanding these differences can help tailor treatments for better outcomes, ensuring that more people can benefit from these weight loss solutions.

SpaceX's Starlink internet service is falling short in providing the necessary bandwidth for Ukraine's frontline combat robots, which is crucial in their ongoing conflict with Russia. This limitation could hinder Ukraine's operational capabilities, making it harder for them to utilize advanced technology in their defense efforts. As the war continues, the effectiveness of such technologies is vital, and any setbacks in communication infrastructure can have significant implications for military strategy.

A groundbreaking new blood test has been developed that can predict the risk of postpartum depression with over 80% accuracy. This advancement is significant as it allows healthcare providers to identify women at risk for this common complication of childbirth, enabling earlier interventions and better treatment options. As awareness and understanding of postpartum depression grow, this test could play a crucial role in improving maternal mental health outcomes.

This week in science news, we explore the dazzling display of comets racing toward the sun and uncover the mystery behind our galaxy's glow. Additionally, scientists share intriguing insights into why time seems to speed up as we age. These discoveries not only captivate our imagination but also deepen our understanding of the universe and our place within it, making it an exciting time for science enthusiasts.

Recent research suggests that Neanderthals were more vulnerable to lead poisoning than modern humans, which may have played a role in our evolutionary advantage. This exposure to lead over millions of years could have contributed to the development of language in humans, setting us apart from our Neanderthal cousins. Understanding these differences not only sheds light on our evolutionary history but also highlights the unique traits that have shaped human civilization.

SpaceX has successfully launched 28 Starlink satellites from California's central coast, marking another significant step in its mission to expand global internet coverage. This launch not only demonstrates SpaceX's ongoing commitment to enhancing satellite technology but also highlights the company's ability to land rockets at sea, showcasing its innovative approach to space exploration. As more satellites are deployed, the potential for improved internet access worldwide increases, making this event noteworthy for both technology enthusiasts and those in underserved areas.

The rise of AI music generators has led to a troubling trend where scammers upload songs attributed to inactive artists and deceased musicians. This practice not only misleads fans but also undermines the integrity of the music industry. Spotify has acknowledged the issue and is working to combat it, but the persistence of these scams raises concerns about the future of music authenticity.

A new wave of robots designed to assist with cleaning, exercising, and caring for the elderly is emerging, and scientists believe they could significantly ease the pressures on the UK's care system. This innovative technology not only promises to enhance the quality of life for seniors but also addresses the growing demand for care services, making it a timely solution in today's society.

In an inspiring effort to restore California's vital kelp forests, scientists, divers, and volunteers are working together to remove invasive urchins that threaten these underwater ecosystems. This initiative not only helps revive the kelp but also supports marine biodiversity, making it crucial for the health of our oceans. By engaging the community in this hands-on approach, the project fosters awareness and appreciation for marine conservation, highlighting the importance of teamwork in environmental restoration.

Diphtheria, a disease once under control, is making a troubling comeback in Somalia, particularly affecting children in war-torn areas. A recent report from Demartino Public Hospital in Mogadishu highlights the dire situation, where pediatrician Dr. Mohamud Omar is witnessing firsthand the impact of conflict, climate change, and vaccine skepticism on public health. This resurgence is alarming as it underscores the fragility of healthcare systems in crisis and the urgent need for renewed vaccination efforts to protect vulnerable populations.

A new study suggests that differences in red blood cell function may have played a role in the extinction of Neanderthals. Researchers found that gene variants affecting red blood cells could have negatively impacted the hybrid offspring of Neanderthals and modern humans. This discovery is significant as it sheds light on the biological factors that may have contributed to the decline of our ancient relatives, helping us understand more about human evolution and the complexities of interbreeding.