By giving a brood’s firstborn female smaller portions and a low-protein diet, a mother bee can turn the offspring into a nursemaid for her younger siblings.
The odd feeding behaviour may even help keep the young insects together in a primitive form of social living.
Insects are skilled architects that build homes of all kinds, from basements to tree houses and even skyscrapers.
Birds prepare their eggs for the worst, whether the risk comes from predators or just the location of their nests.
Birds build some staggering structures, from nests the size of walnuts to makeshift rafts and even apartment complexes.