Dopamine Signals Teach the Brain to Unlearn Fear

Summary: A new study reveals that dopamine release along a specific brain circuit helps extinguish fear by activating reward-related neurons in the amygdala. Researchers showed that dopamine from the ventral…

Dual scalable annealing processors overcome capacity and precision limits

The proposed system enables simultaneous expansion of the number of spins and interaction bit width using multiple identical LSI chips, resulting in more accurate and efficient solutions for combinatorial optimization…

New standard developed for battery-free, AI-enabled IoT devices

Ambient photocapacitor concept. Credit: Newcastle University A landmark international collaboration led by Newcastle University has developed the world’s most efficient integrated light-harvesting and storage system for powering autonomous Artificial Intelligence…

Shanghai flaunts the future of cars

Credit: KJ Brix from Pexels At the huge Auto Shanghai industry show this week, the chatter was less about powerful engines and more about cutting-edge technology and passenger comfort. Hundreds…

Practicing Gratitude Builds Resilience and Hope

Summary: While gratitude has been praised for its mental health and relationship benefits, cultivating it during stressful times can be especially challenging. Negative information naturally grabs our attention more than…

Microrobots powered by thin-film actuator can morph, lock shapes and operate untethered

Umbilical Cord DNA May Predict Future Metabolic Health Risks

Summary: DNA changes in umbilical cord blood may help predict which children are at higher risk for future health issues like diabetes, liver disease, and stroke. Researchers analyzed chemical tags…

How Oxytocin Tames “Mean Girl” Behavior

Summary: A new study finds that in some lemur species, evolving gender equality is linked to changes in the brain’s oxytocin system. Researchers compared seven closely related species, finding that…

Foreign carmakers strive for ‘China Speed’ to stay in race

Robots weld chassis of electric cars at a Zeekr factory in Ningbo, in China’s eastern Zhejiang province. In fluid synchronization, dozens of robotic arms picked up metal parts and welded…

Xi says China must ‘overcome’ AI chip challenges

Chinese startup DeepSeek shook up the AI world in January with its R1 chatbot, matching the performance of its US competitors at a lower cost. President Xi Jinping said China…