Thermal relay is defective causing the fans not to run when they should. Replace the relay.
thermostat gasket probably leaking. replace thermostat and gasket making sure that thermostat housing is flat.
Yuor battery is leaking fluids or gases. The battery likely needs replaced.
only if the gasket under thermostat is leaking and may-be it's the hose clamp on the hose that is leaking
Blown head gastet, radiator leaking, thermostat needs to be replaced Blown head gastet, radiator leaking, thermostat needs to be replaced
Failed seal. Replace it.
It can explode.
Running it while leaking can cause it to overheat repeatedly, which can cause thermostat damage , along with other problems.
Replace the thermostat housing seal or gasket.
Thermostat and radiator
Leaking from where on the battery, the caps? If so the charging system may be over charging the battery and causing the acid to boil out. Could be a voltage regulator problem.
The battery acid is leaking out, either do to a failing battery or do to an alternator that is over charging.
There is acid on the inside and it has burnt through the metal that is keeping it inside. The reason the acid might be leaking out is because the battery has a leak.