Exemplar-Free Class-Incremental Learning (EFCIL) aims to sequentially learn from distinct categories without retaining exemplars but easily suffers from catastrophic forgetting of learned knowledge.

2025 was the third hottest year on record, but thousands of cities saw record heat and one broke a record for cold. By Harry Stevens and Eric Niiler Last year was Earth’s third hottest globally, but ...

Jan. 15, 2026 Pancreatic cancer uses a sugar-coated disguise to evade the immune system, helping explain why it’s so hard to treat. Northwestern scientists discovered this hidden mechanism and created ...