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Japan becomes the first country in the world to begin mining rare earth metals from the ocean floor

Tokyo has launched a test mission to extract rare earth elements from a depth of around 6 kilometres. A specialised vessel operates like a giant vacuum cleaner — loosening the seabed and pumping sediment containing valuable materials through a pipe using powerful pumps. The goal is blunt and strategic: to get off China’s hook. According to estimates, one tonne of seabed sediment contains at least 2 kilograms of rare earth metals — critically important for electronics, electric vehicles, and defence industries.

“The link between lack of sleep and cancer is now so strong that the World Health Organization has classified any form of nighttime shift work as a probable carcinogen." pic.twitter.com/179qEbw6OM

— Vala Afshar (@ValaAfshar) January 15, 2026

AI Overview

The Ebbinghaus Forgetting Curve shows that we rapidly forget new information over time unless we actively review it, with the steepest drop in memory occurring within the first 24 hours, then leveling off, demonstrating memory decay is fast initially but slows down.

German psychologist Hermann Ebbinghaus pioneered this concept by studying his own memory, finding that regular, spaced repetition is key to strengthening memories and slowing this natural forgetting process, a principle known as the spacing effect. 

Key aspects of the curve

• Rapid initial decline: Most forgetting happens soon after learning, with significant memory loss in the first day.
• Slowing decay: The rate of forgetting decreases over time; you lose less new information as time goes on.
• “Use it or lose it”: Unused memories are pruned by the brain, but recalling information strengthens neural pathways.
• Spaced Repetition: Reviewing material at increasing intervals (e.g., 1 day, 3 days, 1 week) significantly improves long-term retention. 

How to combat the forgetting curve

• Review strategically: Interrupt the curve by reviewing information shortly after learning (e.g., within 24 hours) and then at spaced intervals.
• Use active recall: Engage in self-testing, practice quizzes, or use flashcards to force your brain to retrieve the information.
• Make it engaging: Use interactive content, real-world examples, or context to make learning more memorable.
• Focus on gaps: Use review sessions to identify what you don’t know and spend more time on those weak areas. 

Another hidden feeling post TBI … sourced AI

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AI Overview

The fear of moving and difficulty with spatial prediction after a traumatic brain injury (TBI) are common symptoms of visual-spatial processing dysfunction and anxiety. These issues stem from the brain having trouble interpreting and organizing visual information, which can affect balance, posture, and a person’s sense of their position in the world. 

Understanding the Challenges

• Spatial Disorientation: A TBI can disrupt the brain’s ability to create a consistent “map” of the environment and your body’s place within it (spatial orientation).

Navigation Problems: You might get lost in familiar places, have trouble following directions, or feel panicked in new settings, as the ability to learn and remember routes (wayfinding) is impaired.

• Balance and Coordination Issues: The brain’s difficulty integrating visual information with sensory input for balance can lead to clumsiness, an increased risk of falls, and a general feeling of instability.

Anxiety and Fear: The unpredictability of these symptoms can naturally lead to significant anxiety or fear of movement and leaving a “safe” space. This is the nervous system’s protective response to perceived danger. 

Strategies for Coping and Management

It is important to work with a team of healthcare professionals specializing in TBI to develop a personalized approach. 

• Seek Professional Help:

Neuro-visual specialists and occupational therapists can provide targeted therapies and non-compensatory aids like special prismatic lenses to improve spatial processing, balance, and gait.

• Neuropsychologists and counselors can help manage anxiety and fear through therapies like Cognitive Behavioral Therapy (CBT), which teaches strategies to change anxious thoughts and manage symptoms.
• Consult a GP or neurologist about your symptoms, as they may recommend medication in severe cases.
• Implement Practical Strategies:
• Break down tasks: Divide larger, overwhelming tasks (like a trip to the shop) into smaller, manageable steps.
• Use landmarks and path learning: Focus on memorizing specific landmarks and sequences of turns along a route, rather than relying on an abstract mental map.
• Modify your environment: Keep your home clutter-free and well-lit to aid orientation. You can use apps or GPS for navigation, though some people find these confusing.
• Gradual exposure: Under the guidance of a professional, gradually expose yourself to situations that trigger your anxiety to slowly build confidence.
• Plan ahead: Plan travel routes in advance and consider traveling at less busy times to reduce overstimulation.
• Focus on Well-being and Support:
  • Talk to others: Share your feelings with a trusted friend, family member, or join a TBI support group to gain perspective and coping strategies from others who understand.
  • Practice relaxation: Use deep-breathing exercises, visualization techniques, or mindfulness to manage stress and anxiety.
  • Prioritize self-care: Ensure you get enough sleep, eat a healthy diet, and engage in gentle physical activity as advised by your healthcare provider.
  • Be patient with yourself: Recovery from a TBI is a process and can take time. Celebrate small achievements and be kind to yourself. 

For more information and support, you can contact organizations such as Headway – the brain injury association in the UK or the BrainLine website in the US for valuable resources and personal stories.