CBSE class 12 artificial intelligence sample paper with marking scheme 2025-26: Download PDF

CBSE Class 12 Artificial Intelligence Sample Paper 2025-26: CBSE has released model papers for all science subjects including ...
eLife

Range geography and temperature variability explain cross-continental convergence in range and phenology shifts in a model insect taxon

Across continents, half of odonate species shifted both ranges and phenologies in response to climate warming, with southern species and those experiencing less temperature variability shifting ranges ...