The Barinas Project Authors: Jennifer Beckmann, Charles S. Spencer, Elsa M. Redmond
created here would have allowed for two harvests per
Not all dinosaurs were huge creatures that shook the Earth when they walked. Put two dinosaurs in perspective with this drawing activity.
) Materials Six-inch-square pieces of paper (one per
…
It can cost thousands of dollars per person to travel
Find out why it’s not uncommon for wind speeds to reach 200 mph in Antarctica.
katabatic winds reaching speeds of 15 to 20 meters per
Read the online privacy policy of the American Museum of Natural History.
their personal information to us may request, once per
It’s quite a feat to feed a whale! Join along as we hitch a ride on the back of a blue whale to get an underwater view of its incredible eating habits.
phase where it goes up to about three or four meters per
A guide to freshwater mussels of the New York Metro Area and New Jersey, with photos, area maps and details about various species.
pseudocardinals short, strong, with blunt surfaces, three per
At the 2017 Isaac Asimov Memorial Debate, experts considered whether we’ll soon be able to bring species back from extinction—and if we should.
the fecundity typically drops around 7.5 children per
Have your grade schoolers piece together what Earth may have looked like 220 million years ago, when there was a single supercontinent.
each) Materials Globe or world map Answer page Per
Some organisms are more sensitive to changes in salt than others.
Salt isn’t per say bad, butchangingsalt levels can
