The ethics of resurrecting extinct species

(Phys.org) —At some point, scientists may be able to bring back extinct animals, and perhaps early humans, raising questions of ethics and environmental disruption.

The independence of pollen grains: A matter of energy

The pollen grains of maize, rice and all other cereals, need to store starch as energy deposit for later use during fertilization. A research team, led by Dr. Ivan Acosta from the Max Planck Institute for Plant Breeding Research ...

Male treefrogs get the jump on rivals

The inconsistent sexual signals of male treefrogs have made it more difficult for females to find a quality mate, according to a new study by a researcher at The University of Western Australia.

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