سر غير متوقع عن شيخوخة الحيوانات المنوية
أظهرت دراسة حديثة أن الحيوانات المنوية لدى الفئران المسنة تحمل علامات شيخوخة أكثر مما يعتقد، وأنها تمر ب
Science
Is Mars still volcanically active? Scientists discover new clues beneath its surface
Scientists have detected unusual gas above cracks near a giant Martian volcano, raising the possibility that heat and volcanic activity may still exist deep beneath the planet's surface
Science
Turkey eyes energy self-sufficiency by 2040 but no coal exit yet
Turkey’s $500bn energy plan promises more renewables and lower emissions by 2040 – but offers no clear timeline for ending coal use.