News
- Health & Medicine
The thymus withers away after puberty. But it may be important for adults
The thymus is considered somewhat unnecessary in adults. But a new study finds that its removal is associated with heightened risks of death and cancer.
- Archaeology
A child’s ornate necklace highlights ancient farmers’ social complexity
The intricate necklace, reconstructed by researchers, was found on the remains of a child buried about 9,000 years ago in a Middle Eastern village.
- Paleontology
A colossal ancient whale could be the heaviest animal ever known
Perucetus colossus may have tipped the scales at up to 340 metric tons, but some scientists are skeptical it could have sustained that mass.
