Food production in cities has long been a tradition in many countries around the world and
a mainstream activity for many developed countries. While urban agriculture plays an …

Urban agriculture is receiving increasing attention throughout the developing world, but
debate rages as to whether it is a blessing or a curse. Some see it as savior for the poor, …

Food and water are rewarding in part because they satisfy our internal needs 1 , 2 . Dopaminergic
neurons in the ventral tegmental area (VTA) are activated by gustatory rewards 3 , 4 – …

Early abdominal pregnancy is self-limited by hemorrhage from trophoblastic invasion, with
complete abortion of the gestational sac that leaves a discrete crater which is sometimes …

The combined trends toward internal carriage of weapons in modern aircraft and the design
of new weapons to be neutrally stable for increased performance have increased the …

Animals must learn through experience which foods are nutritious and should be consumed,
and which are toxic and should be avoided. Enteroendocrine cells (EECs) are the principal …

The majority of the world's floodplains are dammed. Although some implications of dams for
riverine ecology and for river channel morphology are well understood, there is less …

An examination of a rectangular cavity with a length-to-depth ratio of 5.67 was tested at
Mach 0.7 and 1.5 with corresponding Reynolds numbers of 6.49 × 10 6 and 7.35 × 10 6 / m , …

Compartmentalized signaling in dendritic subdomains is critical for the function of many central
neurons. In the retina, individual dendritic sectors of a starburst amacrine cell (SAC) are …

How neurons in the eye feed signals back to photoreceptors to optimize sensitivity to patterns
of light appears to be mediated by one or more unconventional mechanisms. Via these …