In the tropical jungle of Central America where predators abound, a species of cuckoo has found safety in numbers by building communal nests guarded by two or three breeding pairs.
Plants & Animals
Feb 27, 2019
0
199
A female stickleback fish, nick-named 'Mary', has produced offspring from eggs that appear to have been fertilised while they were still inside her, according to scientists at the University of Nottingham.
Plants & Animals
Feb 20, 2019
2
233
Plant biologists at the University of California, Davis have discovered a way to make crop plants replicate through seeds as clones. The discovery, long sought by plant breeders and geneticists, could make it easier to propagate ...
Biotechnology
Dec 12, 2018
2
139
Inside a cell, death often occurs like the wave at a baseball game.
Cell & Microbiology
Aug 9, 2018
1
126
Most dinosaurs buried their eggs and hoped for the best, but some species—including a few hefty ones—built nests and pampered unhatched offspring much as birds do today, researchers reported Wednesday.
Archaeology
May 16, 2018
0
237
The largest collection of fossilized pterosaur eggs ever found has shown that pterosaurs, the airborne cousins of dinosaurs, could not fly right away and needed care from their parents, researchers said Thursday.
Archaeology
Nov 30, 2017
8
204
The evolution of the amniotic egg—complete with membrane and shell—was key to vertebrates leaving the oceans and colonizing the land and air. Now, 360 million years later, bird eggs come in all shapes and sizes, from ...
Evolution
Jun 22, 2017
2
172
A human typically gives birth after nine months. An ostrich hatchling emerges from its egg after 42 days. But how long did it take for a baby dinosaur to incubate?
Archaeology
Jan 2, 2017
0
716
Scientists from The Hebrew University of Jerusalem, Columbia University Medical Center (CUMC) and The New York Stem Cell Foundation Research Institute (NYSCF) have succeeded in generating a new type of embryonic stem cell ...
Cell & Microbiology
Mar 16, 2016
1
1589
Genetic material from ancient viral infections is critical to human development, according to researchers at the Stanford University School of Medicine.
Biotechnology
Nov 23, 2015
0
1379
