لماذا تبدو ملامح الوجه مختلفة عند التحديق في المرآة؟

قد يلاحظ الإنسان تغيراً في ملامح وجهه عند التحديق فيه طويلاً أمام المرآة، ولا سيما في الإضاءة الخافتة، إذ قد تبدو بعض التفاصيل وكأنها تتلاشى أو تتغي
The news, anew

قد يلاحظ الإنسان تغيراً في ملامح وجهه عند التحديق فيه طويلاً أمام المرآة، ولا سيما في الإضاءة الخافتة، إذ قد تبدو بعض التفاصيل وكأنها تتلاشى أو تتغي
Science
Seagrass protects coasts, shelters thousands of species and stores CO2. But some 30% of this valuable ecosystem has disappeared since the late 19th century. Can we bring it back?
Science
Emirati astronaut Mohammad Al Mulla points to 3D bioprinting in microgravity as a possible future application, while former Nasa astronaut Sunita Williams says commercial space stations could help scale up biological research
Science
A longtime zookeeper at a safari park in the Netherlands died Tuesday from injuries she suffered when she was attacked by a leopard in its enclosure over the weekend. The Beekse Bergen Safari Park said in a statement that the woman, whose name has been withheld in accordance with Dutch privacy law, had passed away after she suffered serious wounds to her head and neck on Saturday while working in an enclosure with two male Persian leopards.