INPUT ARTICLE: Article: You'll need several sheets of printer paper, regular tape, duct tape, Popsicle sticks, a pencil, strong twine, a ruler, an x-acto knife, and scissors. Take 4 sheets of printer paper and cut them in half along the long line. Roll each set of collated 4 into a tube (with a pencil at the center) from short side to short side. Tape the tube closed at three points along the barrel and then remove the pencil. Take 5 sheets of paper, collate them, and wrap them short end to short end into a tube with a pencil at the center once again. Tape the tube in several places and then remove the pencil. Cut two 1.5" sections of Popsicle stick and place it in the end of the tube so that the end is flush with the opening and mark 1.5" from that end of the tube on the outside of the barrel. Finally, insert a Popsicle stick in the opposite end and at a 90 degree turn from the other stick and place a single layer of duct tape around the whole barrel to keep it from breaking. Bend the arms at the 1.5" mark you made. Pinch the end of the barrel and then place the short sections of the arms on either side of the pinched end. Duct tape them into place. Make sure the connection is very tight and strong. Use a bowline knot to attach the far ends of the bow together. Attach it to one side, secure with tape, pull the string about 1" beyond the end of the other side, and then attach that side and secure it as well. Pull the bow back until it makes a square shape with the arms. Mark the point on the barrel where the center of the string reaches and place your trigger at that location. Use the x-acto knife to cut a hole straight through the barrel. Cut the end off of a Popsicle stick, split it down the middle, and place it through the hole to create the trigger. It should be able to wiggle back and forth a bit, and be long enough to extend out from the barrel on either side of the hole. If you're a kid, get help from an adult with this. It's very easy to stab yourself or cut your finger off! Cut a single sheet of paper in half along the long line and roll two tubes. Flatten them and tape them in place along either side of the trigger. Then take another strip of single sheet, this time in quarters rather than halves, and roll a tube which you will place between the arms of the crossbow. Make sure a pencil fits easily through this tube. Cock your string back so that it fits on the trigger, load your pencil, and then fire!

SUMMARY: Gather your materials. Make the arms. Make the barrel. Insert the arm supports. Attach the arms. String the crossbow. Add the trigger. Build the guides. Done!

INPUT ARTICLE: Article: One of the most popular hydrangea species, Hydrangea macrophylla, does best in hardiness zones 69, with minimum winter temperatures of -10 to +25F (-23 to -7C). A few species can tolerate zone 4 conditions (-30F/-34C), including H. arborescens and H. paniculata. Hydrangeas may suffer when planted in hot temperatures or frost. Container-grown hydrangeas are best planted in the garden during spring or fall. Bare root hydrangeas without soil should be planted in early to mid-spring so they have time to adapt to their new location. Ideally, the hydrangea should get several hours of sun each day, but be protected from the hottest afternoon sun by a wall or other barrier. If this is not possible in your yard, select a location with bright partial shade throughout the day. Hydrangeas can grow to become 4' by 4' bushes (1.2m x 1.2m). Research your species and variety online if you want a more accurate idea of how large your hydrangeas will grow. Mix compost into your soil if it is low in nutrients. If your soil is dense or mostly clay, mix in pine bark or other mulch material in order to prevent water from forming pools around the plant. Roots can become tangled or clustered together, which makes it harder for them to grow out into the soil once they're planted. This can limit the amount of nutrients the plant absorbs. To loosen your roots, cut a few of the outside roots, then gently shake the roots apart. Once the inner roots are free, they will be able to spread out into the soil. Dig a hole about as deep as the root ball or potting container, and two or three times as wide. Carefully lift the hydrangea and place it in the hole. Be careful not to scrape or break the roots while moving the plant. Press the soil gently together as you fill the hole to remove air pockets and provide support to hold up the plant. Stop when the hold is approximately halfway filled. Water the half-filled hole thoroughly, then leave it to drain for at least 15 minutes or until there is no standing water. Fill in the rest of the hole in the same way you were filling it before, pressing down small portions of soil at a time. Stop when the roots are covered. Do not bury any more than 1 inch (2.5 cm) of the trunk or stem. Newly transplanted plants may not yet have roots functioning at full capacity, so it's important to water them well. Water once more when you're finished filling the hole, then water daily for the first few days after planting. Once the hydrangea is established in its new location, water whenever the soil is about to dry out. Make sure that you give it a deep watering each time, not just a sprinkling of water. The soil should be kept somewhat moist, but not soggy. Hydrangeas do not usually require additional care, and often grow or bloom without difficulty. If your hydrangeas wilt or dry out, construct a shade to block the sun during the afternoon. You can also try using mulch. If the winter forecast predicts unusually cold or prolonged frost, or if you are planting in a lower than recommended hardiness zone (see above), you may need to provide winter protection for your hydrangeas.

SUMMARY:
Check your species' hardiness zone. Know the safest times to plant. Choose a place in your yard that gets a mixture of sun and shade. Allow enough space for it to grow substantially. Prepare rich, porous soil. Loosen the roots. Plant the hydrangeas in a spacious hole carefully. Fill the hole halfway with soil, a little at a time. Water the hole, let drain, then fill the rest of the hole with soil. Water the plant frequently for the first few days. Reduce the watering but keep the soil damp.