Toxic chemicals used in agriculture are tested as well. Teratology is also of importance in the biology of development, since knowledge of the deviations caused by teratogens or mutant genes is a means of discovering the motivating forces and controlling mechanisms of normal embryonic development in animals and man.
Click here to see the 7 Meatless Recipes for Lent (Slideshow). Sometimes called Fish Fridays, meat-free days during Lent donât have to focus on fish. You can eat pasta, tofu, vegetables, beans, and many other items, including eggs. (Theyâre permissible under Catholic law, even though they come from chickens which are off-limits.). Slideshow: 7 Meatless Recipes for Lent (Slideshow). Avoiding meat might seem restrictive but itâs easier than you think.
Find this year's dates in the multifaith calendar. Lent is the period of 40 days which comes before Easter in the Christian calendar. Beginning on Ash Wednesday, Lent is a season of reflection and preparation before the celebrations of Easter. By observing the 40 days of Lent, Christians replicate Jesus Christ's sacrifice and withdrawal into the desert for 40 days. Lent is marked by fasting, both from food and festivities.