Results 111 to 120 of about 682 (168)

Parallel Erosion of a Testis-Specific Na+/K+ ATPase in Three Mammalian Lineages Sheds Light into the Evolution of Spermatozoa Energetics. [PDF]

Genome Biol Evol
Valente R, Machado AM, Pericuesta E, García-Párraga D, Artilheiro N, Alves F, Sousa-Pinto I, Pinto B, Cordeiro JM, Ruivo R, Gutiérrez-Adán A, Castro LFC.   +11 more
europepmc   +1 more source

Some of the next articles are maybe not open access.

Related searches:

Narwhals require targeted conservation

Science, 2020
Narwhals are one of three highly specialized whale species that are endemic to the Arctic ([ 1 ][1]). The global narwhal population may number more than 100,000 individuals, but the species persists as a complex, highly divided meta-population, with limited or no exchange between neighboring subpopulations ([ 1 ][1]).
M P, Heide-Jørgensen, E, Garde, R G, Hansen, O M, Tervo, Mikkel-Holger S, Sinding, L, Witting, M, Marcoux, C, Watt, K M, Kovacs, R R, Reeves   +9 more
openaire   +2 more sources

The Spiral in the Tusk of the Narwhal

ARCTIC, 1988
The spiral in the tusk of the narwhal has been fancifully, but never satisfactorily, explained. Spiral growths are common in the animal kingdom and share the feature of having straight axes. A curved tusk would hinder the narwhal swimming; a spiral mode of growth ensures overall straightness even if the tusk grows irregularly. The need to keep the tusk
Michael C.S. Kingsley, Malcolm A. Ramsay
openaire   +1 more source

The flight of the narwhal

Science, 2017
Ecophysiology![Figure][1] An adult male narwhal preparing to dive in Scoresby Sound, Greenland CREDIT: TERRIE M. WILLIAMS Animals tend to respond to threats with the well-known behaviors of fight, flee, or freeze, each of which requires a different suite of physiological responses ...
openaire   +1 more source

Chirality, diastereoisomerism, and the Narwhal

Journal of Chemical Education, 1978
There are many simple examples of enantiomeric objects, both natural and man-made and their static interrelationship is directly and tellingly examined with the aid of a mirror.
openaire   +1 more source

Narwhal Record

Scientific American, 2021
openaire   +2 more sources