The colour of sunlight, gold and daffodils, yellow is often associated with warmth and optimism. Where it appears in nature, bright yellow is hard to miss. Plants can use it to attract pollinators, ...

I READ with great interest the paper on the Yang-tse, &c., in NATURE, vol. xxii. p. 486. It seems to me that Mr. Guppy has underestimated the quantity of water and sediment in these rivers.

Yellow-headed birds often stand out amongst the foliage, catching our attention even when they are only there for a flash!

I HAVE been much interested in the paper on the above rivers, published in NATURE, vol. xxii. p. 486. To the extent of the writer's personal observations the calculations appear to have been ...

In a nature reserve in Dongying, near the mouth of the Yellow River, an aviary (bottom) sits silent and empty. The ecology of this region—a critical refueling stop for migratory birds along the ...