Here are the four scientists who spent over a year in a NASA-built simulation of life on Mars

Throughout their stay, the crew simulated the challenges of living on Mars, which involved growing and harvesting vegetables, performing 'Marswalks,' and experiencing communication delays with colleagues on Earth.

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CHAPEA Crew — The inaugural CHAPEA crew celebrated Thanksgiving inside the habitat (from left to right: Nathan Jones, Kelly Haston, Anca Selariu, Ross Brockwell). Photo Credit: NASA/CHAPEA crew

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Naa Oyoe Quartey

Front of mind

Longevity, influence and the social media trap: Who do we trust with our health?

In a world where six-pack abs are flaunted more than six-point health plans, who are we really trusting with our well-being? Consultant Aesthetic and Plastic Surgeon, Dr Ali Ghanem, cuts through the noise in a candid conversation with Qonversations — unpacking the layered relationship between health, social media, influence, and longevity. Dr Ghanem, in an interview with Ismail Akwei, begins with a stark reminder: “Health is life.” He challenges the outdated definition of health as merely the absence of disease and instead argues for a reimagined standard — optimal functioning across body and mind. You may be disease-free, but if your cognitive function, mobility, or digestion isn’t thriving, you’re missing the very essence of life.

Is there a secret to longevity? This health expert says 1,000% yes

In the era of social media, post-COVID, and with mental health at the forefront, a shift is taking place in how people perceive well-being. As a new approach that looks beyond traditional medicine gains popularity, one voice stands out: Natalie Lefevre, a longevity expert whose journey from personal health struggles to keynote speaker and influencer has inspired many. “I believe we’re in a major paradigm shift,” Natalie explains. According to the health optimisation expert, who was misdiagnosed 18 years ago, conventional systems often fail to address the root causes of illness. Instead, she advocates for a proactive, investigative approach to health—one that emphasizes prevention, self-awareness, and personal responsibility.