There are also concerns about the legal and moral status of embryos. Many countries currently prohibit growing a human embryo ...

Every fall, the skies of the northeastern United States fill with warblers, barn swallows and other birds heading south to ...

There must be something about the human brain that’s different from the brains of other animals — something that enables humans to plan, imagine the future, solve crossword puzzles, tell sarcastic ...

A new study of ancient, extinct fish known as placoderms provides another piece of the evolutionary puzzle about our deep ...

Life cycles require the creation of an autonomous individual, that individual’s growth and that individual’s reproduction In ...

Vegetable gardening sometimes seems strictly utilitarian: how many tomatoes and green beans can I harvest? But I remain ...

When a woman becomes pregnant, the outcome of that pregnancy depends on many things—including a crucial event that happened ...

The biological study of species offers no equivalent to such transmutation. An individual which belongs to a given species ...

Learn more about eLife assessments Scientific progress depends on reliable and reproducible results. Progress can be accelerated when data are shared and re-analyzed to address new questions. Current ...

EASTON, Pa. – Easton City Council amended an ordinance governing animal sales Wednesday night at city hall. The update prohibits the sale of mammals, birds, reptiles and amphibians at retail pet shops ...

Pesticide contamination in clouds causes long-range transport of pesticide residues, further threatening health and the ...